VIR Vulnerability Intelligence Relay

CVE-2017-8812

medium
Published 2017-11-15 · Modified 2026-05-13
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.3

Description

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows remote attackers to inject > (greater than) characters via the id attribute of a headline.

Predictions

Exploit likelihood
63%
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
debian Debian Mixed 6 releases
VersionStatusFixed in
trixie Fixed 1:1.27.4-1
sid Fixed 1:1.27.4-1
forky Fixed 1:1.27.4-1
bullseye Fixed 1:1.27.4-1
bookworm Fixed 1:1.27.4-1
9.0 Affected —
arch Arch Fixed 1 release
VersionStatusFixed in
— Fixed 1.29.2-1

Application impact
VendorProductVersionsFixed
mediawikimediawiki{"endIncluding":"1.27.3"}
mediawikimediawiki1.28.0
mediawikimediawiki1.28.1
mediawikimediawiki1.28.2
mediawikimediawiki1.29.0
mediawikimediawiki1.29.1

References

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

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