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Vulnerability · Published Mar 25, 2026 · Assigned by apple

CVE-2026-28871

Medium 4.3

In plain English

A medium-severity cross-site scripting in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 78.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A logic issue was addressed with improved checks. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4. Visiting a maliciously crafted website may lead to a cross-site scripting attack.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.52.3-1.el8_10ALSA-2026:10702
AlmaLinux:9webkit2gtk32.52.3-1.el9_8ALSA-2026:19206
AlmaLinux:9webkit2gtk32.52.3-0.el9_7.1ALSA-2026:9692
AlmaLinux:8webkit2gtk3-devel2.52.3-1.el8_10ALSA-2026:10702
AlmaLinux:9webkit2gtk3-devel2.52.3-0.el9_7.1ALSA-2026:9692
AlmaLinux:9webkit2gtk3-devel2.52.3-1.el9_8ALSA-2026:19206
AlmaLinux:8webkit2gtk3-jsc2.52.3-1.el8_10ALSA-2026:10702
AlmaLinux:9webkit2gtk3-jsc2.52.3-1.el9_8ALSA-2026:19206
AlmaLinux:9webkit2gtk3-jsc2.52.3-0.el9_7.1ALSA-2026:9692
AlmaLinux:8webkit2gtk3-jsc-devel2.52.3-1.el8_10ALSA-2026:10702
AlmaLinux:9webkit2gtk3-jsc-devel2.52.3-1.el9_8ALSA-2026:19206
AlmaLinux:9webkit2gtk3-jsc-devel2.52.3-0.el9_7.1ALSA-2026:9692
Debian:12webkit2gtkno fix listedDEBIAN-CVE-2026-28871
Debian:13webkit2gtk2.52.3-2~deb13u1DEBIAN-CVE-2026-28871
Debian:14webkit2gtk2.52.1-1DEBIAN-CVE-2026-28871
Debian:12wpewebkitno fix listedDEBIAN-CVE-2026-28871
Debian:13wpewebkitno fix listedDEBIAN-CVE-2026-28871
Debian:14wpewebkit2.52.1-1DEBIAN-CVE-2026-28871
Rocky Linux:8webkit2gtk30:2.52.3-1.el8_10RLSA-2026:10702
Rocky Linux:9webkit2gtk30:2.52.3-0.el9_7.1RLSA-2026:9692
Rocky Linux:9webkit2gtk30:2.52.3-1.el9_8RLSA-2026:19206
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2026-28871
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2026-28871
Ubuntu:22.04:LTSwebkit2gtkno fix listedUBUNTU-CVE-2026-28871
Ubuntu:24.04:LTSwebkit2gtk2.52.3-0ubuntu0.24.04.1UBUNTU-CVE-2026-28871
Ubuntu:25.10webkit2gtk2.52.3-0ubuntu0.25.10.1UBUNTU-CVE-2026-28871
Ubuntu:26.04:LTSwebkit2gtk2.52.3-0ubuntu0.26.04.2UBUNTU-CVE-2026-28871
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2026-28871

Affected products (as reported)

VendorProductVersions
Apple Safari 0 – before 26.4
Apple iOS and iPadOS 0 – before 18.7.70 – before 26.4
Apple macOS 0 – before 26.4

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References