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HIGH

Spam protection, Honeypot, Anti-Spam by CleanTalk < 6.79 - Unauthenticated Stored XSS via Comment Shortcode Bypass

Published Jun 10, 2026

Description

The Anti-Spam by CleanTalk. Spam protection WordPress plugin before 6.79 does not properly sanitize content within a custom shortcode used in its email-encoding feature, allowing unauthenticated attackers to inject arbitrary web scripts into approved comments that will execute when any user (including administrators) views the post.

Affected products

Remediation

No remediation recorded yet.

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner WPScan
Published Jun 10, 2026
Updated Jun 10, 2026
Reserved May 7, 2026
CISA Vulnrichment
Updated Jun 10, 2026
NVD
Status Deferred
Modified Jul 23, 2026
Red Hat
Severity n/a
Public date n/a