Cross-Site Scripting Vulnerability in Captcha Plugin by Captcha.eu
CVE-2025-53579

7.1HIGH

Key Information:

Vendor

WordPress
Status
Captcha.eu
Vendor
CVE Published:
28 August 2025

What is CVE-2025-53579?

The Captcha.eu plugin for WordPress is susceptible to a reflected Cross-Site Scripting (XSS) vulnerability due to improper input handling during web page generation. Attackers can exploit this flaw to inject malicious scripts into web pages viewed by users. This vulnerability poses significant risks as it could allow attackers to steal sensitive information, impersonate users, or carry out other malicious activities. Users of the Captcha.eu plugin are advised to update their installations to mitigate potential threats.

Affected Version(s)

Captcha.eu < 1.0.61

References

https://patchstack.com/database/wordpress/plugin/captcha-...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Xuan Chien (Patchstack Alliance)
.
CVE-2025-53579 : Cross-Site Scripting Vulnerability in Captcha Plugin by Captcha.eu