CVE-2025-13857
Yet Another WebClap for WordPress <= 0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Yet Another WebClap for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'text' parameter of the webclap_button shortcode in all versions up to, and including, 0.2 due 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.
| CWE | CWE-79 |
| Vendor | ksakai |
| Product | yet another webclap for wordpress |
| Published | Dec 6, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
ksakai / Yet Another WebClap for WordPress
0 ≤ 0.2
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ca50e5e7-be46-40f1-9782-a72ca8ab7e9a?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/yet-another-webclap-for-wordpress/trunk/yawebclap.php#L28 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/yet-another-webclap-for-wordpress/tags/0.2/yawebclap.php#L28
Credits
Gilang Asra Bilhadi