CVE-2023-29140
CVE-2023-29140 is a medium-severity vulnerability in Mediawiki with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-284
- Affected product: Mediawiki
- Published:
- Last modified:
Description
An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. Attackers might be able to see edits for which the username has been hidden, because there is no check for rev_deleted.
Frequently asked questions
- What is CVE-2023-29140?
- An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. Attackers might be able to see edits for which the username has been hidden, because there is no check for rev_deleted.
- How severe is CVE-2023-29140?
- CVE-2023-29140 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2023-29140 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-29140?
- CVE-2023-29140 affects Mediawiki. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-29140?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-29140 published?
- CVE-2023-29140 was published on 2023-03-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
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