VIR Vulnerability Intelligence Relay

CVE-2013-4567

medium
Published 2013-12-13 · Modified 2026-04-29
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CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
4.3

Description

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.

Predictions

Exploit likelihood
20%
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 with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
debian debianbookwormfixed1:1.19.8+dfsg-2.2
debian debianbullseyefixed1:1.19.8+dfsg-2.2
debian debianforkyfixed1:1.19.8+dfsg-2.2
debian debiansidfixed1:1.19.8+dfsg-2.2
debian debiantrixiefixed1:1.19.8+dfsg-2.2

Application impact
VendorProductVersionsFixed
mediawikimediawiki{"endIncluding":"1.19.8"}
mediawikimediawiki1.19
mediawikimediawiki1.19.0
mediawikimediawiki1.19.1
mediawikimediawiki1.19.2
mediawikimediawiki1.19.3
mediawikimediawiki1.19.4
mediawikimediawiki1.19.5
mediawikimediawiki1.19.6
mediawikimediawiki1.19.7
mediawikimediawiki1.20
mediawikimediawiki1.20.1
mediawikimediawiki1.20.2
mediawikimediawiki1.20.3
mediawikimediawiki1.20.4
mediawikimediawiki1.20.5
mediawikimediawiki1.20.6
mediawikimediawiki1.20.7
mediawikimediawiki1.21
mediawikimediawiki1.21.1
mediawikimediawiki1.21.2

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.