Risk Letters

Exploited vulnerability

CVE-2026-74920

TLP:CLEAR

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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.

Facts

  • Vendor: Dan Rossiter
  • Product: Document Gallery
  • EPSS (probability of exploitation within 30 days): 0.1 %
  • First known exploitation: 15 October 2026
  • First seen by Risk Letters: 15 October 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD