vulnerability
MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2020-25812)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Sep 27, 2020 | Oct 7, 2020 | Nov 8, 2023 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Sep 27, 2020
Added
Oct 7, 2020
Modified
Nov 8, 2023
Description
An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.
Solution
mediawiki-upgrade-1_34_4
References
- CVE-2020-25812
- https://attackerkb.com/topics/CVE-2020-25812
- URL-https://gerrit.wikimedia.org/g/mediawiki/core/+/ad4a3ba45fb955aa8c0eb3c83809b16b40a498b9/includes/specials/SpecialContributions.php#592
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
- URL-https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
- URL-https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
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