Threat intelligence

Spam protection, AntiSpam, FireWall by CleanTalk <= 6.82 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-65437 · cleantalk-spam-protect

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Cleantalk Spam Protect at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Spam protection, AntiSpam, FireWall by CleanTalk <= 6.82 - Unauthenticated Stored Cross-Site Scripting
Affected software: cleantalk-spam-protect(Plugin)
Affected versions: ≤ 6.82
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-65437
Published: 27 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 222079a2-20f1-4d53-8420-46ccc50988a8). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Cleantalk Spam Protect version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Cleantalk Spam Protect advisoriesBack to catalog