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THREATINT
PUBLISHED

CVE-2025-5923

Game Review Block <= 4.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via className Parameter



Description

The Game Review Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘className’ parameter in all versions up to, and including, 4.8.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Reserved 2025-06-09 | Published 2025-06-13 | Updated 2025-06-13 | Assigner Wordfence


MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

*
affected

Timeline

2025-06-09:Vendor Notified
2025-06-12:Disclosed

Credits

Peter Thaleikis finder

References

www.wordfence.com/...-8e13-4b58-9df3-3b99afd39144?source=cve

plugins.trac.wordpress.org/....0/src/game-table/callback.php

wordpress.org/plugins/game-review-block/

github.com/...ommit/135aa118b75db5242df7fd1ef13cc09ec3410f3a

cve.org (CVE-2025-5923)

nvd.nist.gov (CVE-2025-5923)

Download JSON

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https://cve.threatint.eu/CVE/CVE-2025-5923

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