CVE-2021-46147

mediumpriority · track · 35EPSS 0.005 · 45 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (45th) EPSS

CVSS 6.8 · medium

Is it mine?

9 products

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. MassEditRegex allows CSRF.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
n/a n/a≤ n/aenisa_euvdEU
mediawiki mediawiki< 1.35.5nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
mediawiki mediawiki1.36.0 → 1.36.3nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
mediawiki mediawiki1.37.0 → 1.37.1nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Bitnami mediawiki< 1.35.5osvUSpkg:bitnami/mediawiki
Bitnami mediawiki1.36.0 → 1.36.3osvUSpkg:bitnami/mediawiki
Bitnami mediawiki1.37.0 → 1.37.1osvUSpkg:bitnami/mediawiki

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1512MediaWiki: Mehrere SchwachstellenDeutsch2022-01-13csaf · cert_bundDE
Ein entfernter anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um einen Denial-of-Service-Zustand zu verursachen, einen Cross-Site-Scripting-Angriff durchzuführen, vertrauliche Informationen offenzulegen und Sicherheitsmaßnahmen zu umgehen.
BIT-mediawiki-2021-461472024-03-06vendor · osvUS
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. MassEditRegex allows CSRF.

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2022-01-10modified 2026-06-17

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External citations — patches, advisories, analysis.

scry

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