Information disclosure in Miraheze Managewiki
CVE-2021-29483
ManageWiki is an extension to the MediaWiki project. The 'wikiconfig' API leaked the value of private configuration variables set through the ManageWiki variable to all users. This has been patched by https://github.com/miraheze/ManageWiki/compare/99f3b2c8af18...befb83c66f5b.patch. If you are unable to patch set `$wgAPIListModules['wikiconfig'] = 'ApiQueryDisabled';` or remove private config as a workaround.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Miraheze Managewiki — versions < befb83c66f5b643e174897ea41a8a46679b26304
Weakness classification (CWE)
References
- github.com/miraheze/ManageWiki/security/advisories/GHSA-jmc9-rv2f-g8vv (Patch, Third Party Advisory, Mitigation)
- github.com/miraheze/ManageWiki/commit/befb83c66f5b643e174897ea41a8a46679b26304 (Patch, Third Party Advisory)
- phabricator.miraheze.org/T7213 (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2021-29483?
- CVE-2021-29483 is a critical-severity vulnerability in Miraheze Managewiki, classified under Information Disclosure. CVSS score: 9.4/10. Published 2021-04-28.
- How severe is CVE-2021-29483?
- Critical severity. CVSS v3 base score is 9.4 out of 10.