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.

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Fixes

Solution

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History

Wed, 10 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Cleantalk
Cleantalk spam Protection
Wordpress
Wordpress wordpress
Vendors & Products Cleantalk
Cleantalk spam Protection
Wordpress
Wordpress wordpress
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 10 Jun 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Wed, 10 Jun 2026 06:45:00 +0000

Type Values Removed Values Added
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.
Title Spam protection, Honeypot, Anti-Spam by CleanTalk < 6.79 - Unauthenticated Stored XSS via Comment Shortcode Bypass
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-06-10T10:41:34.962Z

Reserved: 2026-05-07T09:10:25.699Z

Link: CVE-2026-8071

cve-icon Vulnrichment

Updated: 2026-06-10T10:41:13.227Z

cve-icon NVD

Status : Deferred

Published: 2026-06-10T07:16:25.373

Modified: 2026-06-10T19:41:25.327

Link: CVE-2026-8071

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-10T13:00:13Z

Weaknesses