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CVE-2026-77114

Document Gallery <= 5.1.1 - Unauthenticated Stored Cross-Site Scripting

The Document Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'dg_thumber_webhook' Action Request Body in all versions up to, and including, 5.1.1 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. 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.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
CVE-2026-39781

WordPress Document Gallery plugin <= 5.1.1 - Cross Site Scripting (XSS) vulnerability

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: from n/a through 5.1.1.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
CVE-2026-12982

Document Gallery < 5.1.1 - Reflected XSS via dg_generate_gallery

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.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
CVE-2026-57695

WordPress Document Gallery plugin <= 5.1.0 - Cross Site Scripting (XSS) vulnerability

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: from n/a through <= 5.1.0.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed