CVE-2022-28202 json
An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2.
published 2022-03-30 4 y ago modified 2026-06-17 4 mo ago also BIT-mediawiki-2022-28202 , EUVD-2022-32656
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.
Patch / fix
- bitnami mediawiki 1.35.6, 1.36.4, 1.37.2
- mediawiki mediawiki 1.35.6, 1.36.4, 1.37.2
- mediawiki Debian 14, Debian 13, Debian 12 1:1.35.6-1
debian advisories DEBIAN-CVE-2022-28202
- mediawiki Arch Linux 1.37.2-1
arch linux advisories AVG-2677
- phabricator.wikimedia.org/T297543 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2022-28202 updated cvss 6.1
mediawiki: xss due to incorrect escaping
-
Red Hat OpenShift Container Platform 3.11 mediawikiaffected: no fix planned “Will not fix”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| OSV | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mediawiki | <1.35.6 >=1.36.0, <1.36.4 >=1.37.0, <1.37.2 |
1.35.6 1.36.4 1.37.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
phabricator.wikimedia.org
/T297543
issue-tracking, patch, vendor-advisory, web
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/PT4CHJKOQOVMI65TSNZRNV6FIWU7SGZD/
vendor-advisory, web
-
debian.org
/security/2022/dsa-5246
vendor-advisory, third-party-advisory, web
-
security.gentoo.org
/glsa/202305-24
vendor-advisory, web
-
lists.debian.org
/debian-lts-announce/2022/09/msg00027.html
mailing-list, third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2022-28202
web
Sources
- CVE List CVE-2022-28202
- NVD CVE-2022-28202
- OSV BIT-mediawiki-2022-28202
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.