CVE-2026-76562: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in otwthemes Sidebar Manager Light
Affects otwthemes Sidebar Manager LightSource CVE Database V5
Not known to be exploited · CVSS 7.2 High.
Data as of 10/25/2026, 04:40:14 UTC
- Exploitation
Not in CISA KEV, no exploitation reported
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NWhat to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| otwthemesSidebar Manager Light | Affected
| Fixed in– |
AI-suggested
Users should monitor the vendor's advisory for updates. Until a fix is available, consider disabling or removing the Sidebar Manager Light plugin if feasible, or applying manual input sanitization and output escaping as a temporary mitigation.
Description
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.
Impact
Successful exploitation allows an unauthenticated attacker to execute arbitrary scripts in the context of users viewing the affected pages, potentially leading to theft of sensitive information or session hijacking. The vulnerability impacts confidentiality and integrity but does not affect availability.
Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #1OWASP Top 10 A05:2025: Injection (opens in a new tab)
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
References
- wordfence.com/threat-intel/vulnerabilities/id/9f376b14-bdb4-4c4d-b464-328d269c9654?source=cve (opens in a new tab)
- plugins.trac.wordpress.org/browser/sidebar-manager-light/trunk/include/otw_list_sidebars.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/sidebar-manager-light/trunk/include/otw_process_actions.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/sidebar-manager-light/trunk/include/otw_process_actions.php (opens in a new tab)