What is CVE-2026-76562?

CVE-2026-76562 is a high-severity vulnerability in Otwthemes Sidebar Manager Light, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-09-10.

How severe is CVE-2026-76562?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Otwthemes Sidebar Manager Light

CVE-2026-76562

The Sidebar Manager Light plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'sbm_description' parameter in all versions up to, and including, 1.18 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Otwthemes Sidebar Manager Light

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-76562?: CVE-2026-76562 is a high-severity vulnerability in Otwthemes Sidebar Manager Light, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-09-10.
How severe is CVE-2026-76562?: High severity. CVSS v3 base score is 7.2 out of 10.