CVE-2025-53579

HIGH 7.1

WordPress Captcha.eu Plugin < 1.0.61 - Cross Site Scripting (XSS) Vulnerability

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in captcha.eu Captcha.eu captcha-eu allows Reflected XSS.This issue affects Captcha.eu: from n/a through < 1.0.61.

CWE	CWE-79
Vendor	captcha.eu
Product	captcha.eu
Published	Aug 28, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

captcha.eu / Captcha.eu

0 ≤ 1.0.61

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/captcha-eu/vulnerability/wordpress-captcha-eu-plugin-1-0-61-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

Nguyen Xuan Chien | Patchstack Bug Bounty Program