XSS in Holithemes Click To Chat –
CVE-2025-5336
The Click to Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-no_number’ parameter in all versions up to, and including, 4.22 to insufficient input sanitization and output escaping. This makes it possibl…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (14.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Holithemes Click To Chat – — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-5336?
- CVE-2025-5336 is a medium-severity vulnerability in Holithemes Click To Chat –, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-06-14.
- How severe is CVE-2025-5336?
- Medium severity. CVSS v3 base score is 6.4 out of 10.