What is CVE-2026-9577?

CVE-2026-9577 is a medium-severity vulnerability in Post Status Notifier Lite, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-07-23.

How severe is CVE-2026-9577?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Post Status Notifier Lite

CVE-2026-9577

The Post Status Notifier Lite WordPress plugin before 1.13.0 does not properly escape the `mod` URL parameter before reflecting it into the admin settings page (`admin.php?page=post-status-notifier-lite`), leading to a Reflected Cross-Site…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Unknown Post Status Notifier Lite — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-9577?: CVE-2026-9577 is a medium-severity vulnerability in Post Status Notifier Lite, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-07-23.
How severe is CVE-2026-9577?: Medium severity. CVSS v3 base score is 4.8 out of 10.