Read the docs
TI-2026-07109 Aliases CVE-2026-8071GHSA-jqmp-cmj4-fv28

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

Priority HIGH 73CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00414 35th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Anti-Spam by CleanTalk. Spam protection (Unknown): 6.79

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownAnti-Spam by CleanTalk. Spam protectionbefore 6.796.79Patch availableCNA
  • Anti-Spam by CleanTalk. Spam protection VendorUnknown Affected before 6.79 Fixed in 6.79 Patch available CNA

Remediation

  • Fix · CNA Anti-Spam by CleanTalk. Spam protection (Unknown) Fixed in 6.79

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8071
  2. 2026-10-03 Alias added: GHSA-jqmp-cmj4-fv28

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences