CVE-2026-74921 Details
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.
A stored cross-site scripting vulnerability has been identified in the Document Gallery WordPress plugin, affecting versions through 5.1.1. The issue arises because the plugin fails to properly sanitize or escape several gallery shortcode attributes before inserting them into the rendered gallery markup. This flaw allows users with Contributor roles and above to inject arbitrary event handlers that are executed when a higher-privileged user views the content.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 19, 2026CISA-ADP
Assessed Oct 19, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/b0b97661-c671-420c-8fca-22666862b379/ | [email protected] | AdvisoryExploitPartial ContentRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Document Gallery | >= 4.0, <= 5.1.1 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 19, 2026 | CVE Modified | CISA-ADP |
| Oct 19, 2026 | New CVE Received | [email protected] |