CVE-2026-42663

Name: CVE-2026-42663
Creator: NVD / NIST
Published: 2026-06-15T21:16:56.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2026-42663 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.

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

0.16%

5.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

https://patchstack.com/database/wordpress/plugin/simple-membership/vulnerability/wordpress-simple-membership-plugin-4-7-2-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline

Published: Jun 15, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-42663?

Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.

How severe is CVE-2026-42663?

CVE-2026-42663 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42663?

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.

Are you affected by CVE-2026-42663?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST