CVE-2023-37305

Name: CVE-2023-37305
Creator: NVD / NIST
Published: 2023-06-30T17:15:09.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2023-37305 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki through 1.39.3. In includes/Page/PageContentHandler.php and includes/Page/PageDisplayHandler.php, hidden users can be exposed via public interfaces.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki through 1.39.3. In includes/Page/PageContentHandler.php and includes/Page/PageDisplayHandler.php, hidden users can be exposed via public interfaces.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.51%

39.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	<= 1.39.3

References

https://gerrit.wikimedia.org/r/q/Ibe5f8e25dea155bbd811a65833394c0d4b906a34Vendor Advisory
https://phabricator.wikimedia.org/T326952Exploit, Issue Tracking, Patch, Vendor Advisory
https://gerrit.wikimedia.org/r/q/Ibe5f8e25dea155bbd811a65833394c0d4b906a34Vendor Advisory
https://phabricator.wikimedia.org/T326952Exploit, Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Jun 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37305?

How severe is CVE-2023-37305?

CVE-2023-37305 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37305?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37305?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST