CVE-2025-5336

medium

Description

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 possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/83695ac4-a08b-4c25-ac33-d9b7498f5a2c?source=cve

https://wordpress.org/plugins/click-to-chat-for-whatsapp/#developers

https://plugins.trac.wordpress.org/changeset/3309693/

https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.22/new/inc/assets/js/dev/app.dev.js#L818

https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.22/new/inc/assets/js/dev/app.dev.js#L126

Details

Source: Mitre, NVD

Published: 2025-06-14

Updated: 2025-06-16

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00032