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CVE-2026-77830

⚠️ high
🔍 Scan for this CVE
Summary

The Spam protection, Honeypot, Anti-Spam by CleanTalk plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content aria-label Placeholder in all versions up to, and including, 6.86 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with custom-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload is deliverable via unauthenticat

Description

The Spam protection, Honeypot, Anti-Spam by CleanTalk plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content aria-label Placeholder in all versions up to, and including, 6.86 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with custom-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload is deliverable via unauthenticated comment submission and executes exclusively for non-logged-in visitors; if comment moderation is enabled, an approving moderator must first publish the comment before the script reaches other users.

CVSS Score
7.2
High
EPSS Score
0.3
Exploit Probability
Published Date
2026-09-05
First Seen: 2026-09-06
📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 54.4% of all 353,175 vulnerabilities in our database.

#160,971
Above average severity
Severity Percentile
Last Modified 2026-09-05
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE IDs (Weakness Types)

📦 Affected Products 0

No affected products information available

🔗 References 12