Vulnerability · Published Apr 30, 2020 · Assigned by GitHub_M
CVE-2020-11025Authenticated cross-site scripting (XSS) in WordPress Customizer
Medium 5.8
In plain English
A medium-severity cross-site scripting in WordPress from WordPress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In affected versions of WordPress, a cross-site scripting (XSS) vulnerability in the navigation section of Customizer allows JavaScript code to be executed. Exploitation requires an authenticated user. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wordpress | 5.4.1+dfsg1-1 | DEBIAN-CVE-2020-11025 |
| Debian:13 | wordpress | 5.4.1+dfsg1-1 | DEBIAN-CVE-2020-11025 |
| Debian:14 | wordpress | 5.4.1+dfsg1-1 | DEBIAN-CVE-2020-11025 |
| Ubuntu:22.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-11025 |
| Ubuntu:24.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-11025 |
| Ubuntu:25.10 | wordpress | no fix listed | UBUNTU-CVE-2020-11025 |
| Ubuntu:26.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-11025 |
| Ubuntu:26.10 | wordpress | no fix listed | UBUNTU-CVE-2020-11025 |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
References
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-4mhg-j6fx-5g3c x_refsource_CONFIRM
- https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates x_refsource_MISC
- DSA-4677 vendor-advisory, x_refsource_DEBIAN