Resource exhaustion in Mediawiki

CVE-2023-45371

An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is no rate limit for merging items.

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Mediawiki — versions 1.40.0
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-45371?
CVE-2023-45371 is a high-severity vulnerability in Mediawiki, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-10-09.
How severe is CVE-2023-45371?
High severity. CVSS v3 base score is 7.5 out of 10.