Stored Cross-Site Scripting Vulnerability in Yet Another WebClap for WordPress
CVE-2025-13857

6.4MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
6 December 2025

What is CVE-2025-13857?

The Yet Another WebClap plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping. Attackers with Contributor-level access or higher can exploit this vulnerability by injecting malicious scripts through the 'text' parameter of the webclap_button shortcode. These scripts can execute whenever a user accesses an affected page, potentially leading to unauthorized actions or data exposure.

Affected Version(s)

Yet Another WebClap for WordPress * <= 0.2

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gilang Asra Bilhadi
.
CVE-2025-13857 : Stored Cross-Site Scripting Vulnerability in Yet Another WebClap for WordPress