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.

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

EPSS: 0.012 (65.3th percentile) — read the EPSS interpretation.

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.

Affected products

Miraheze Managewiki — versions < befb83c66f5b643e174897ea41a8a46679b26304

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Mitigation)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
security-advisories@github.com (Third Party Advisory, x_refsource_MISC, 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.