7.5

CVE-2022-28204: mediawiki Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-28204
Published 19-09-2022Last modified 29-05-2025
Open JSON

Vulnerability summary

CVE-2022-28204 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in mediawiki. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 60.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.96%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2022-0145

Timeline

  1. 19-09-2022
    PublishedVulnerability first disclosed.
  2. 29-05-2025
    Last modifiedVulnerability information updated.

Description

A denial-of-service issue was discovered in MediaWiki 1.37.x before 1.37.2. Rendering of w/index.php?title=Special%3AWhatLinksHere&target=Property%3AP31&namespace=1&invert=1 can take more than thirty seconds. There is a DDoS risk.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.96%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

+0.01 pp

From 0.95% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.96%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (phabricator.wikimedia.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Mediawiki1 product
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

2 vendors · 2 products

References

4 links