CVE-2026-74920
HighCVSS 7.1Exploitation Probability (EPSS)
Low risk5th percentile - higher than 5% of all known CVEs
Summary
The Document Gallery WordPress plugin through 5.1.1 does not properly sanitise and escape user input before reflecting it inside an HTML attribute in the response of an unauthenticated AJAX action, leading to a Reflected Cross-Site Scripting vulnerability which can be exploited against any visitor, including a logged-in administrator.
Risk Assessment
An attacker can execute arbitrary JavaScript in the victim's browser, potentially compromising the administrator session.
Recommendation
Update the Document Gallery plugin to a version later than 5.1.1.
Other vulnerabilities in Document Gallery
See all- CVE-2026-77114High
The Document Gallery plugin for WordPress in versions up to and including 5.1.1 is vulnerable to Stored Cross-Site Scripting via the 'dg_thumber_webhook' Action Request Body. Due to insufficient input sanitization and output escaping, an unauthenticated attacker can inject arbitrary scripts into pages that execute when a user visits the injected page. Exploitation requires that logging be enabled in the plugin's Advanced settings, which is only the default state when WP_DEBUG is true; otherwise an administrator must manually enable it.
- CVE-2026-39781High
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Dan Rossiter Document Gallery (document-gallery) allows Reflected XSS. This issue affects Document Gallery through version 5.1.1.
- CVE-2026-12982Medium
The Document Gallery WordPress plugin before 5.1.1 does not properly sanitise and escape user input before reflecting it back in the response of an unauthenticated AJAX action, leading to a Reflected Cross-Site Scripting vulnerability which can be exploited against unauthenticated users.
- CVE-2026-57695High
The Document Gallery WordPress plugin contains a reflected XSS (Cross-site Scripting) vulnerability due to improper input neutralization during page generation. The flaw affects all versions up to and including 5.1.0.
Original NVD description (English source)
The Document Gallery WordPress plugin through 5.1.1 does not properly sanitise and escape user input before reflecting it inside an HTML attribute in the response of an unauthenticated AJAX action, leading to a Reflected Cross-Site Scripting vulnerability which can be exploited against any visitor, including a logged-in administrator.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS