Risk Letters

Exploited vulnerability

CVE-2026-39781

TLP:CLEAR

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

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.

Facts

  • Vendor: Dan Rossiter
  • Product: Document Gallery
  • EPSS (probability of exploitation within 30 days): 0.2 %
  • First known exploitation: 15 October 2026
  • First seen by Risk Letters: 15 October 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

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