CVE-2025-53579

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

7.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.18%Up 0.2 points since Aug 29, 2025

What each source reports

CVE List Score used 7.1

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

Record: CVE-2025-53579
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-25984 7.1

Record: EUVD-2025-25984
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-cjj5-53h4-f55f 7.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

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

Record: GHSA-cjj5-53h4-f55f
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 7.1

Record: CVE-2025-53579
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

captcha.eu

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-53579 is a high vulnerability (CVSS 7.1) in Captcha.eu, published August 28, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. No source names a fixed version.