Cpe:2.3:a:wordpress:sidebar_manager_light:*:*:*:*:*:*:*:* - CraftedSignal Threat Feedhttps://feed.craftedsignal.io/cpes/cpe2.3awordpresssidebar_manager_light/Trending threats, MITRE ATT&CK coverage, and detection metadata. Fed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioThu, 10 Sep 2026 05:03:56 +0000https://feed.craftedsignal.io/favicon-32x32.pngCraftedSignal Threat Feedhttps://feed.craftedsignal.io/3232https://feed.craftedsignal.io/favicon.svgStored Cross-Site Scripting in Sidebar Manager Light Pluginhttps://feed.craftedsignal.io/briefs/2026-09-sidebar-manager-xss/Thu, 10 Sep 2026 05:03:56 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-09-sidebar-manager-xss/The Sidebar Manager Light plugin for WordPress is vulnerable to Stored Cross-Site Scripting due to insufficient input sanitization of the sbm_description parameter, allowing unauthenticated attackers to execute arbitrary scripts in victim browsers.The Sidebar Manager Light plugin for WordPress, in versions up to and including 1.18, contains a security vulnerability identified as CVE-2026-76562. This vulnerability is classified as Stored Cross-Site Scripting (XSS). It arises from the plugin's failure to properly sanitize user-supplied input and escape output within the 'sbm_description' parameter. Because of this flaw, an unauthenticated attacker can inject malicious JavaScript into the sidebar configuration. When an unsuspecting user or administrator navigates to a page where this sidebar is rendered, the payload executes within their browser session. This can lead to unauthorized actions performed on behalf of the user, potential session hijacking, or the theft of sensitive data. Defenders should prioritize updating the plugin or removing it until a patch is available, as the ease of exploitation makes this a high-priority risk for WordPress environments.

Impact

Successful exploitation of this vulnerability allows unauthenticated attackers to execute arbitrary code within the context of a victim's browser. Potential impacts include the hijacking of administrator sessions, unauthorized modifications to the website, and the exfiltration of sensitive information. This poses a significant risk to organizations relying on this plugin for sidebar management, as it affects the integrity and security of the WordPress administrative interface and public-facing pages.

Recommendation

  • Immediately audit all WordPress instances for the presence of Sidebar Manager Light plugin version 1.18 or earlier.
  • Disable or uninstall the Sidebar Manager Light plugin until a vendor-supplied patch is available.
  • Implement a Content Security Policy (CSP) to restrict the execution of unauthorized scripts if immediate removal is not feasible.
  • Monitor web application firewall (WAF) logs for POST requests containing JavaScript event handlers or script tags directed at the Sidebar Manager Light configuration endpoints.
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