Sidebar Manager Light <= 1.18 - Unauthenticated Stored Cross-Site Scripting via 'sbm_description' Parameter
Priority LOW 38CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00405 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-76562
- 2026-10-03 Alias added: GHSA-x2x6-9g4w-g2jw
References
Other 4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9f376b14-bdb4-4c4d-b464-328d269c9654?source=cve
- https://plugins.trac.wordpress.org/browser/sidebar-manager-light/trunk/include/otw_list_sidebars.php#L93
- https://plugins.trac.wordpress.org/browser/sidebar-manager-light/trunk/include/otw_process_actions.php#L89
- https://plugins.trac.wordpress.org/browser/sidebar-manager-light/trunk/include/otw_process_actions.php#L139
More OTWthemes vulnerabilities
- TI-2024-00653 Buttons Shortcode and Widget <= 1.16 - Stored XSS via shortcode CVSS 3.1MEDIUM 6.1
- TI-2024-00660 Tabs Shortcode and Widget <= 1.17 - Contributor+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4
- TI-2023-24132 WordPress Blog Manager Light Plugin <= 1.20 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
- TI-2025-22905 WordPress Widget Manager Light plugin <= 1.18 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
- TI-2025-23215 WordPress Widgetize Pages Light plugin <= 3.0 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2025-23213 WordPress Popping Content Light plugin <= 2.4 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
Sources
- CVE-2026-76562 · CVE Program
- CVE-2026-76562 · NVD
- FIRST EPSS
- GHSA-x2x6-9g4w-g2jw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences