WordPress Plugin Vulnerabilities

Subscribe to Comments <= 2.3.3 - Author+ Stored Cross-Site Scripting

Description

The plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affects Plugins

Plugin icon
subscribe-to-comments
No known fix

References

CVE
CVE-2026-66706
URL
https://patchstack.com/database/wordpress/plugin/subscribe-to-comments/vulnerability/wordpress-subscribe-to-comments-plugin-2-3-1-cross-site-scripting-xss-vulnerability

Classification

Type
XSS
OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79
CVSS
4.8 (medium)

Miscellaneous

Original Researcher
Ananda Dhakal
Verified
No
WPVDB ID
e74ddad9-7bb3-48bf-a63e-0448b80145c3

Timeline

Publicly Published
2026-08-06 (about 2 months ago)
Added
2026-08-13 (about 2 months ago)
Last Updated
2026-10-09 (about 7 days ago)

Other

Published
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2024-03-15
Title
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2023-06-05
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Published
2024-10-30
Title
Auto Prune Posts < 3.0.0- Admin+ Stored XSS
Published
2024-07-11
Title
PowerPress Podcasting plugin by Blubrry < 11.9.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via media_url Parameter
Published
2014-08-01
Title
Page Showcaser Boxes - Title Field Stored XSS