CVE-2025-66111

Name: CVE-2025-66111
Creator: NVD / NIST
Published: 2025-11-21T13:15:52.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2025-66111 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nelio Software Nelio Popups nelio-popups allows Stored XSS.This issue affects Nelio Popups: from n/a through <= 1.3.0.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nelio Software Nelio Popups nelio-popups allows Stored XSS.This issue affects Nelio Popups: from n/a through <= 1.3.0.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.13%

3.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

https://patchstack.com/database/Wordpress/Plugin/nelio-popups/vulnerability/wordpress-nelio-popups-plugin-1-3-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline

Published: Nov 21, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-66111?

How severe is CVE-2025-66111?

CVE-2025-66111 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66111?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST