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Description

The Private Comment plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Label text' setting in all versions up to, and including, 0.0.4. This is due to insufficient input sanitization and output escaping on the plugin's label text option. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

PUBLISHED Reserved 2026-02-10 | Published 2026-02-18 | Updated 2026-02-18 | Assigner Wordfence




MEDIUM: 4.4CVSS:3.1/AV:N/AC:H/PR:H/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

* (semver)
affected

Timeline

2026-02-10:Vendor Notified
2026-02-17:Disclosed

Credits

Supoj Polsawas finder

References

www.wordfence.com/...-67ab-4367-982b-73e256d5dbe2?source=cve

plugins.trac.wordpress.org/...ment/trunk/private-comment.php

plugins.trac.wordpress.org/...tags/0.0.3/private-comment.php

plugins.trac.wordpress.org/...ment/trunk/private-comment.php

cve.org (CVE-2026-2281)

nvd.nist.gov (CVE-2026-2281)

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