What’s Vulnerable › Vulnerabilities
CVE-2026-8071: Spam protection, Honeypot, Anti-Spam by CleanTalk < 6.79 - Unauthenticated Stored XSS via Comment Shortcode Bypass
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-10 · updated 2026-07-23
- Weakness: CWE-79
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
- Anti-Spam by CleanTalk. Spam protection: before 6.79 — fixed in 6.79
How to fix
Upgrade to a fixed version: Anti-Spam by CleanTalk. Spam protection 6.79. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-8071 or the next vulnerability affects your stack