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Low 3.1Published Sep 14, 2026

CVE-2023-37253An issue was discovered in the ProofreadPage extension for MediaWiki through 1.39.3.

Updated under an hour ago ()

Does this affect you?

It affects MediaWiki ProofreadPage. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

An issue was discovered in the ProofreadPage extension for MediaWiki through 1.39.3. It leaks information about a suppressed user via the API and config variables.

CVSS
3.1 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-669
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Awaiting Analysis
Record last updated
Sep 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
MediaWiki ProofreadPage
mediawiki:proofreadpage (from the name)
before 1.35.11; from 1.36.0 before 1.38.7; from 1.39.0 before 1.39.4
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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