EUVD-2026-14147
GHSA-gw45-5xjm-3gfq
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
The FuseDesk plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's fusedesk_newcase shortcode in all versions up to, and including, 6.8 due to insufficient input sanitization and output escaping on the 'emailtext' attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
AnalysisAI
The FuseDesk WordPress plugin contains a Stored Cross-Site Scripting (XSS) vulnerability in the fusedesk_newcase shortcode that fails to properly sanitize and escape the 'emailtext' attribute. Authenticated attackers with Contributor-level access or higher can inject malicious scripts into WordPress pages that execute for all subsequent visitors. The vulnerability affects all versions up to and including 6.8, with a CVSS score of 6.4 indicating moderate severity; no KEV or active exploitation data is currently documented, but the low attack complexity and network accessibility make this a meaningful concern for multi-user WordPress installations.
Technical ContextAI
The vulnerability stems from improper input sanitization and output escaping in WordPress plugin code, classified under CWE-79 (Improper Neutralization of Input During Web Page Generation). The FuseDesk plugin (CPE: cpe:2.3:a:jeremyshapiro:fusedesk:*:*:*:*:*:*:*:*) processes the 'emailtext' shortcode attribute without adequate WordPress sanitization functions (such as sanitize_text_field) or escaping functions (such as wp_kses_post or esc_html) before rendering user-supplied input into the DOM. This is a classic Stored XSS flaw where malicious payload persists in the WordPress database and executes in the browser context of any user viewing the affected page, allowing attackers to bypass Content Security Policy restrictions that might otherwise prevent inline script execution.
RemediationAI
Upgrade the FuseDesk plugin to a version newer than 6.8 as soon as a patched version is released by the developer (check the WordPress plugin repository for updates). Until a patch is available, immediately restrict Contributor-level access to only trusted users, conduct access audits to identify and disable suspicious accounts, and consider using a WordPress Web Application Firewall (WAF) plugin to detect and block shortcode injection patterns. Additionally, enable WordPress security scanning via tools like Wordfence to monitor for malicious content in pages and posts, and consider temporarily disabling the fusedesk_newcase shortcode if it is not critical to operations. Review the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/edd24cfd-723d-4dc4-a301-43f858dcd7f3 for detailed remediation and timeline information.
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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