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 execute when a higher privileged user views the content.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Mon, 19 Oct 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 execute when a higher privileged user views the content. | |
| Title | Document Gallery 4.0 - 5.1.1 - Contributor+ Stored XSS via Gallery Shortcode Attributes | |
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-10-19T06:46:15.459Z
Reserved: 2026-08-17T11:27:41.298Z
Link: CVE-2026-74921
No data.
Status : Received
Published: 2026-10-19T07:16:31.613
Modified: 2026-10-19T07:16:31.613
Link: CVE-2026-74921
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.