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Stored XSS in Photo Engine WordPress plugin via collection name

Priority LOW 32CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

The Photo Engine (Media Organizer & Lightroom) WordPress plugin before 6.5.8 does not sanitise or escape collection and gallery names before storing and outputting them in an administrative dashboard. This is a stored cross-site scripting flaw (CWE-79). An authenticated user with the author role or above can plant script that runs in the dashboard, and a public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The Photo Engine (Media Organizer & Lightroom) WordPress plugin before 6.5.8 does not sanitise and escape collection and gallery names before storing them and outputting them in an administrative dashboard, allowing authenticated users with the author role and above to perform Stored Cross-Site Scripting attacks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00306 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Photo Engine (Media Organizer & Lightroom) (Unknown): 6.5.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownPhoto Engine (Media Organizer & Lightroom)before 6.5.86.5.8Patch availableCNA
  • Photo Engine (Media Organizer & Lightroom) VendorUnknown Affected before 6.5.8 Fixed in 6.5.8 Patch available CNA

Remediation

Update the Photo Engine (Media Organizer & Lightroom) plugin to version 6.5.8 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Photo Engine (Media Organizer & Lightroom) (Unknown) Fixed in 6.5.8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Photo Engine (Media Organizer & Lightroom) 6.5.8

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-79201 Photo Engine WordPress plugin lets authors delete other users' mediaPriority LOW 22

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-111971
  2. 2026-10-22 Alias added: GHSA-9g52-cg59-7f5p
  3. 2026-10-22 CVSS score added · CISA ADP
  4. 2026-10-22 Weakness changed · CISA ADP
  5. 2026-10-22 CISA SSVC decision points changed

References

Sources