Vulnerability · Published Apr 10, 2025 · Assigned by wikimedia-foundation
CVE-2025-3469i18n XSS vulnerability in HTMLMultiSelectField when sections are used
None 0.0
In plain English
A cross-site scripting in MediaWiki from Wikimedia Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php. This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.39.12-1~deb12u1 | DSA-5901-1 |
| Debian:12 | mediawiki | 1:1.39.12-1~deb12u1 | DEBIAN-CVE-2025-3469 |
| Debian:13 | mediawiki | 1:1.43.1+dfsg-1 | DEBIAN-CVE-2025-3469 |
| Debian:14 | mediawiki | 1:1.43.1+dfsg-1 | DEBIAN-CVE-2025-3469 |
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2025-3469 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2025-3469 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2025-3469 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wikimedia Foundation | MediaWiki | 0 – before 1.39.12, 1.42.6, 1.43.1 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/RE:M/U:Green