CVE-2026-85129: CWE-79 Cross-Site Scripting (XSS) in Hoo Companion
CVE-2026-85129 is a high-severity Cross-Site Scripting (XSS) vulnerability in the Hoo Companion WordPress plugin version 1.0.2. The plugin lacks authorization and validation checks in an import feature and fails to sanitize submitted data before storing it as the active theme's settings. This allows unauthenticated attackers to inject arbitrary scripts that execute in the context of any site visitor, including administrators. Additionally, the exploit destroys the site's existing theme settings.
AI Analysis
Technical Summary
The Hoo Companion WordPress plugin version 1.0.2 contains a Cross-Site Scripting (CWE-79) vulnerability due to missing authorization and validation in an import feature. Unsanitized data submitted via this feature is stored as the active theme's settings, enabling unauthenticated attackers to inject malicious scripts that execute for any user viewing the site, including administrators. The same malicious request also deletes the current theme settings, causing potential denial of service or site disruption.
Potential Impact
Successful exploitation allows unauthenticated attackers to execute arbitrary JavaScript in the context of site visitors, including administrators, leading to potential credential theft, session hijacking, or other malicious actions. The attack also destroys the site's existing theme settings, causing site disruption or denial of service.
Mitigation Recommendations
No patch or official fix is currently available for this vulnerability. Users should monitor the vendor's advisory for updates. Until a fix is released, consider disabling the vulnerable import feature or restricting access to it via other means to prevent exploitation.
CVE-2026-85129: CWE-79 Cross-Site Scripting (XSS) in Hoo Companion
Description
CVE-2026-85129 is a high-severity Cross-Site Scripting (XSS) vulnerability in the Hoo Companion WordPress plugin version 1.0.2. The plugin lacks authorization and validation checks in an import feature and fails to sanitize submitted data before storing it as the active theme's settings. This allows unauthenticated attackers to inject arbitrary scripts that execute in the context of any site visitor, including administrators. Additionally, the exploit destroys the site's existing theme settings.
CVSS v3.1
Score 8.8high
Affected software
Hoo Companion
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Hoo Companion WordPress plugin version 1.0.2 contains a Cross-Site Scripting (CWE-79) vulnerability due to missing authorization and validation in an import feature. Unsanitized data submitted via this feature is stored as the active theme's settings, enabling unauthenticated attackers to inject malicious scripts that execute for any user viewing the site, including administrators. The same malicious request also deletes the current theme settings, causing potential denial of service or site disruption.
Potential Impact
Successful exploitation allows unauthenticated attackers to execute arbitrary JavaScript in the context of site visitors, including administrators, leading to potential credential theft, session hijacking, or other malicious actions. The attack also destroys the site's existing theme settings, causing site disruption or denial of service.
Mitigation Recommendations
No patch or official fix is currently available for this vulnerability. Users should monitor the vendor's advisory for updates. Until a fix is released, consider disabling the vulnerable import feature or restricting access to it via other means to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-03T08:38:57.540Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa7085055bf5e2cf509bee0
Added to database: 09/13/2026, 20:32:16 UTC
Last enriched: 09/13/2026, 20:46:37 UTC
Last updated: 09/13/2026, 21:03:03 UTC
Views: 5
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