WordPress Document Gallery plugin 4.1-5.1.1 - Unauthenticated Document Thumbnail Replacement vulnerability

Unauthenticated Document Thumbnail Replacement vulnerability discovered by Artus KG in WordPress Plugin Document Gallery versions 4.1-5.1.1...

CVE-2026-74921

The Document Gallery WordPress plugin through 5.1.1 does not sanitise or escape several gallery shortcode attributes before embedding them in a single-quoted HTML attribute in the rendered gallery markup, allowing users with the Contributor role and above to inject arbitrary event handlers that...

CVE-2026-74922

The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any documen...

EUVD-2026-104099

The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any documen...

CVE-2026-74922 Document Gallery 4.1 - 5.1.1 - Unauthenticated Document Thumbnail Replacement via Thumber Webhook Signature Bypass

The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any documen...

CVE-2026-74922

The Document Gallery WordPress plugin, affecting versions 4.1 through 5.1.1 , is vulnerable to an unauthenticated document thumbnail replacement . This issue occurs because the plugin fails to verify signatures on a specific unauthenticated webhook endpoint when no shared secret is configured, wh...

CVE-2026-74922 Document Gallery 4.1 - 5.1.1 - Unauthenticated Document Thumbnail Replacement via Thumber Webhook Signature Bypass

The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any documen...

CVE-2026-74921

The Document Gallery WordPress plugin (versions 4.0 through 5.1.1 ) is vulnerable to Stored Cross-Site Scripting (XSS) . The flaw exists because the plugin fails to properly sanitize or escape certain gallery shortcode attributes before embedding them into single-quoted HTML attributes in the ren...

CVE-2026-74921 Document Gallery 4.0 - 5.1.1 - Contributor+ Stored XSS via Gallery Shortcode Attributes

The Document Gallery WordPress plugin through 5.1.1 does not sanitise or escape several gallery shortcode attributes before embedding them in a single-quoted HTML attribute in the rendered gallery markup, allowing users with the Contributor role and above to inject arbitrary event handlers that...

EUVD-2026-104098

The Document Gallery WordPress plugin through 5.1.1 does not sanitise or escape several gallery shortcode attributes before embedding them in a single-quoted HTML attribute in the rendered gallery markup, allowing users with the Contributor role and above to inject arbitrary event handlers that...

PT-2026-117248

The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any documen...

CVE-2026-74923

The Document Gallery WordPress plugin through 5.1.1 does not perform any capability or ownership check when generating a gallery on demand, allowing unauthenticated users to enumerate and disclose the titles, descriptions and direct file URLs of media attached to unpublished, private or trashed...

CVE-2026-74923 Document Gallery <= 5.1.1 - Unauthenticated Non-Public Attachment Disclosure via dg_generate_gallery and dg_generate_icons

The Document Gallery WordPress plugin through 5.1.1 does not perform any capability or ownership check when generating a gallery on demand, allowing unauthenticated users to enumerate and disclose the titles, descriptions and direct file URLs of media attached to unpublished, private or trashed...

WordPress Document Gallery plugin <= 5.1.1 - Unauthenticated Non-Public Attachment Disclosure vulnerability

Unauthenticated Non-Public Attachment Disclosure vulnerability discovered by a0yark in WordPress Plugin Document Gallery versions = 5.1.1...

EUVD-2026-102686

The Document Gallery WordPress plugin through 5.1.1 does not perform any capability or ownership check when generating a gallery on demand, allowing unauthenticated users to enumerate and disclose the titles, descriptions and direct file URLs of media attached to unpublished, private or trashed...

CVE-2026-74923

The Document Gallery WordPress plugin (versions through 5.1.1 ) is vulnerable to an unauthenticated non-public attachment disclosure vulnerability. The root cause is a lack of capability or ownership checks when the plugin generates a gallery on demand via the dg_generate_gallery and dg_generate_...

PT-2026-115479

Name of the Vulnerable Software and Affected Versions Document Gallery WordPress plugin versions prior to 5.1.2 Description The plugin fails to perform capability or ownership checks when generating a gallery on demand. This allows unauthenticated users to enumerate and disclose titles,...

CVE-2026-74920

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 visito...

CVE-2026-74920

The Document Gallery WordPress plugin versions through 5.1.1 is vulnerable to a Reflected Cross-Site Scripting (XSS) flaw. The root cause is the failure to properly sanitise and escape user input before reflecting it within an HTML attribute in the response of an unauthenticated AJAX action . Spe...

EUVD-2026-101853

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 visito...