CVE-2020-25812
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
MediaWiki Cross-site Scripting (XSS) vulnerability
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1:1.35.0-1 |
| sid | Fixed | 1:1.35.0-1 |
| forky | Fixed | 1:1.35.0-1 |
| bullseye | Fixed | 1:1.35.0-1 |
| bookworm | Fixed | 1:1.35.0-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | mediawiki/core | >=1.34.0,<1.34.3 | 1.34.3 |
| Packagist | mediawiki/core | >=1.35.0-rc.0,<1.35.0 | 1.35.0 |
References
- https://security-tracker.debian.org/tracker/CVE-2020-25812
- https://nvd.nist.gov/vuln/detail/CVE-2020-25812
- https://gerrit.wikimedia.org/g/mediawiki/core/+/ad4a3ba45fb955aa8c0eb3c83809b16b40a498b9/includes/specials/SpecialContributions.php#592
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25812.yaml
- https://github.com/wikimedia/mediawiki
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
- https://phabricator.wikimedia.org/T255918
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.