CVE-2023-45363
It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 23.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 23.78% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- mediawiki/mediawiki · debian/debian linux
- Source
- cve@mitre.org
EPSS moved from 23.8% on 10 October 2026 to 23.8% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
- https://phabricator.wikimedia.org/T333050Exploit, Third Party Advisory, Vendor Advisory
- https://www.debian.org/security/2023/dsa-5520Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
- https://phabricator.wikimedia.org/T333050Exploit, Third Party Advisory, Vendor Advisory
- https://www.debian.org/security/2023/dsa-5520Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.