PT-2025-49347 · WordPress · Yet Another Webclap For Wordpress

Published 2025-12-06 · Updated 2025-12-06 · CVE-2025-13857

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Yet Another WebClap for WordPress plugin versions prior to 0.2

Description The Yet Another WebClap for WordPress plugin is susceptible to Stored Cross-Site Scripting. This is due to insufficient input sanitization and output escaping in the 'text' parameter of the webclap button shortcode. Authenticated attackers with Contributor-level access or higher can inject arbitrary web scripts into pages. These scripts will execute when a user accesses the affected page. The vulnerable parameter is text.

Recommendations Update the Yet Another WebClap for WordPress plugin to a version later than 0.2.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13857

Affected Products

Yet Another Webclap For Wordpress

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-13857 · Security Note
• https://t.me/CVEtracker/38990 · Telegram Post
• https://plugins.trac.wordpress.org/browser/yet-another-webclap-for-wordpress/tags/0.2/yawebclap.php#L28 · Note
• https://plugins.trac.wordpress.org/browser/yet-another-webclap-for-wordpress/trunk/yawebclap.php#L28 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/ca50e5e7-be46-40f1-9782-a72ca8ab7e9a?source=cve · Note
• https://twitter.com/CVEnew/status/1997189872629485888 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1997219970900480009 · Twitter Post