Vulnerability · Published Sep 8, 2023 · Assigned by Go

CVE-2023-39319Improper handling of special tags within script contexts in html/template

Medium 6.1

In plain English

A medium-severity security flaw in html/template from Go standard library. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.9%top 39.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The html/template package does not apply the proper rules for handling occurrences of "<script", "<!--", and "</script" within JS literals in <script> contexts. This may cause the template parser to improperly consider script contexts to be terminated early, causing actions to be improperly escaped. This could be leveraged to perform an XSS attack.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8aardvark-dns2:1.0.1-38.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8buildah1:1.24.6-7.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:9buildah1:1.31.3-2.el9_3ALSA-2023:7764
AlmaLinux:8buildah-tests1:1.24.6-7.module_el8.9.0+3687+dcd7ef8fALSA-2024:0121
AlmaLinux:8buildah-tests1:1.24.6-7.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:9buildah-tests1:1.31.3-2.el9_3ALSA-2023:7764
AlmaLinux:8cockpit-podman46-1.module_el8.7.0+3344+5bcd850fALSA-2024:0121
AlmaLinux:8conmon2:2.1.4-2.module_el8.9.0+3687+dcd7ef8fALSA-2024:0121
AlmaLinux:8conmon2:2.1.4-2.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8container-selinux2:2.205.0-3.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8containernetworking-plugins1:1.1.1-6.module_el8.9.0+3711+04fcca5eALSA-2024:0121
AlmaLinux:9containernetworking-plugins1:1.3.0-6.el9_3ALSA-2023:7766
AlmaLinux:8containers-common2:1-38.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8crit3.15-3.module_el8.6.0+3137+d33c3efbALSA-2024:0121
AlmaLinux:8crit3.15-3.module_el8.6.0+2877+8e437bf5ALSA-2024:0121
AlmaLinux:8criu3.15-3.module_el8.6.0+3137+d33c3efbALSA-2024:0121
AlmaLinux:8criu3.15-3.module_el8.6.0+2877+8e437bf5ALSA-2024:0121
AlmaLinux:8criu-devel3.15-3.module_el8.6.0+3137+d33c3efbALSA-2024:0121
AlmaLinux:8criu-devel3.15-3.module_el8.6.0+2877+8e437bf5ALSA-2024:0121
AlmaLinux:8criu-libs3.15-3.module_el8.6.0+2877+8e437bf5ALSA-2024:0121
AlmaLinux:8criu-libs3.15-3.module_el8.6.0+3137+d33c3efbALSA-2024:0121
AlmaLinux:8crun1.8.7-1.module_el8.9.0+3683+33eb0febALSA-2024:0121
AlmaLinux:8fuse-overlayfs1.9-2.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8libslirp4.4.0-1.module_el8.6.0+2877+8e437bf5ALSA-2024:0121
AlmaLinux:8libslirp4.4.0-1.module_el8.6.0+3137+d33c3efbALSA-2024:0121
AlmaLinux:8libslirp-devel4.4.0-1.module_el8.6.0+2877+8e437bf5ALSA-2024:0121
AlmaLinux:8libslirp-devel4.4.0-1.module_el8.6.0+3137+d33c3efbALSA-2024:0121
AlmaLinux:8netavark2:1.0.1-38.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8oci-seccomp-bpf-hook1.2.5-2.module_el8.8.0+3468+16b86c82ALSA-2024:0121
AlmaLinux:8podman2:4.0.2-25.module_el8.9.0+3711+04fcca5e.alma.1ALSA-2024:0121
AlmaLinux:9podman2:4.6.1-7.el9_3ALSA-2023:7765
AlmaLinux:8podman-catatonit2:4.0.2-25.module_el8.9.0+3711+04fcca5e.alma.1ALSA-2024:0121
AlmaLinux:8podman-docker2:4.0.2-25.module_el8.9.0+3711+04fcca5e.alma.1ALSA-2024:0121
AlmaLinux:9podman-docker2:4.6.1-7.el9_3ALSA-2023:7765
AlmaLinux:8podman-gvproxy2:4.0.2-25.module_el8.9.0+3711+04fcca5e.alma.1ALSA-2024:0121
AlmaLinux:9podman-gvproxy2:4.6.1-7.el9_3ALSA-2023:7765
AlmaLinux:8podman-plugins2:4.0.2-25.module_el8.9.0+3711+04fcca5e.alma.1ALSA-2024:0121
AlmaLinux:9podman-plugins2:4.6.1-7.el9_3ALSA-2023:7765
AlmaLinux:8podman-remote2:4.0.2-25.module_el8.9.0+3711+04fcca5e.alma.1ALSA-2024:0121
AlmaLinux:9podman-remote2:4.6.1-7.el9_3ALSA-2023:7765
AlmaLinux:8podman-tests2:4.0.2-25.module_el8.9.0+3711+04fcca5e.alma.1ALSA-2024:0121
AlmaLinux:9podman-tests2:4.6.1-7.el9_3ALSA-2023:7765
AlmaLinux:8python3-criu3.15-3.module_el8.6.0+3137+d33c3efbALSA-2024:0121
AlmaLinux:8python3-criu3.15-3.module_el8.6.0+2877+8e437bf5ALSA-2024:0121
AlmaLinux:8python3-podman4.0.0-2.module_el8.9.0+3711+04fcca5eALSA-2024:0121
AlmaLinux:8python3-podman4.0.0-2.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8runc1:1.1.5-2.module_el8.9.0+3687+dcd7ef8fALSA-2024:0121
AlmaLinux:8runc1:1.1.5-2.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8skopeo2:1.6.2-9.module_el8.9.0+3687+dcd7ef8f.alma.1ALSA-2024:0121
AlmaLinux:9skopeo2:1.13.3-3.el9_3ALSA-2023:7762
AlmaLinux:8skopeo-tests2:1.6.2-9.module_el8.9.0+3687+dcd7ef8f.alma.1ALSA-2024:0121
AlmaLinux:9skopeo-tests2:1.13.3-3.el9_3ALSA-2023:7762
AlmaLinux:8slirp4netns1.1.8-3.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:8toolbox0.0.99.4-5.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:9toolbox0.0.99.5-2.el9ALSA-2024:2160
AlmaLinux:8toolbox-tests0.0.99.4-5.module_el8.9.0+3627+db8ec155ALSA-2024:0121
AlmaLinux:9toolbox-tests0.0.99.5-2.el9ALSA-2024:2160
AlmaLinux:8udica0.2.6-4.module_el8.9.0+3627+db8ec155ALSA-2024:0121
Alpine:v3.20go1.21.1-r0ALPINE-CVE-2023-39319
Alpine:v3.21go1.21.1-r0ALPINE-CVE-2023-39319
Alpine:v3.22go1.21.1-r0ALPINE-CVE-2023-39319
Alpine:v3.23go1.21.1-r0ALPINE-CVE-2023-39319
Alpine:v3.24go1.21.1-r0ALPINE-CVE-2023-39319
Debian:12golang-1.19no fix listedDEBIAN-CVE-2023-39319
Gostdlib1.20.8, 1.21.1GO-2023-2043
Rocky Linux:8aardvark-dns2:1.10.0-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8aardvark-dns2:1.10.0-1.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8aardvark-dns2:1.10.0-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8aardvark-dns2:1.10.0-1.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8buildah1:1.24.6-7.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8cockpit-podman0:46-1.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8conmon2:2.1.4-2.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8container-selinux2:2.205.0-3.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8container-selinux2:2.229.0-2.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8containernetworking-plugins1:1.4.0-2.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8containernetworking-plugins1:1.4.0-2.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8containers-common2:1-38.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8containers-common2:1-81.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8containers-common2:1-81.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8criu0:3.15-3.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8crun0:1.14.3-2.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.9-2.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8fuse-overlayfs0:1.13-1.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8libslirp0:4.4.0-1.module+el8.9.0+1445+07728297RLSA-2024:2988
Rocky Linux:8libslirp0:4.4.0-1.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8netavark2:1.10.3-1.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.10-1.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8oci-seccomp-bpf-hook0:1.2.5-2.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8python-podman0:4.0.0-2.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8python-podman0:4.9.0-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8python-podman0:4.9.0-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8runc1:1.1.12-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8runc1:1.1.5-2.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8runc1:1.1.12-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8skopeo2:1.6.2-9.module+el8.9.0+1578+aa900b44RLSA-2024:0121
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1948+4b5cd4a9RLSA-2024:2988
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1815+5fe7415eRLSA-2024:2988
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1825+623b0c20RLSA-2024:2988
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1843+6892ab28RLSA-2024:2988
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1872+2e18eb19RLSA-2024:2988
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1874+ce489889RLSA-2024:2988
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1880+8e896d1bRLSA-2024:2988
Rocky Linux:8slirp4netns0:1.2.3-1.module+el8.10.0+1896+b18fa106RLSA-2024:2988
Rocky Linux:8slirp4netns0:1.1.8-3.module+el8.9.0+1445+07728297RLSA-2024:0121
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1874+ce489889.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1896+b18fa106.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1948+4b5cd4a9.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1872+2e18eb19.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1843+6892ab28.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1829+9bb2696f.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1825+623b0c20.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1815+5fe7415e.rocky.0.2.rocky.0.2RLSA-2024:2988
Rocky Linux:8toolbox0:0.0.99.5-2.module+el8.10.0+1880+8e896d1b.rocky.0.2RLSA-2024:2988
Rocky Linux:8udica0:0.2.6-4.module+el8.9.0+1445+07728297RLSA-2024:0121
Ubuntu:22.04:LTSgolang-1.171.17.13-3ubuntu1.2UBUNTU-CVE-2023-39319
Ubuntu:22.04:LTSgolang-1.171.17.13-3ubuntu1.2USN-7061-1
Ubuntu:22.04:LTSgolang-1.181.18.1-1ubuntu1.2USN-7109-1
Ubuntu:22.04:LTSgolang-1.181.18.1-1ubuntu1.2UBUNTU-CVE-2023-39319
Ubuntu:22.04:LTSgolang-1.201.20.3-1ubuntu0.1~22.04.1UBUNTU-CVE-2023-39319
Ubuntu:22.04:LTSgolang-1.201.20.3-1ubuntu0.1~22.04.1USN-6574-1
Ubuntu:22.04:LTSgolang-1.211.21.1-1~ubuntu22.04.2USN-6574-1

Affected products (as reported)

VendorProductVersions
Go standard library html/template 0 – before 1.20.81.21.0-0 – before 1.21.1

References