CVE-2022-28203
CVSS v3
7.5
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A denial-of-service issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. When many files exist, requesting Special:NewFiles with actor as a condition can result in a very long running query.
Technical details
- Published
- 2022-09-19
Frequently asked questions
What is CVE-2022-28203?
A denial-of-service issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. When many files exist, requesting Special:NewFiles with actor as a condition can result in a very long running query.
Is CVE-2022-28203 actively exploited?
Active exploitation of CVE-2022-28203 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-28203?
CVE-2022-28203 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-28203 affecting your environment?
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