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Cross-site scripting in WordPress picu plugin

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

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

Summary

The picu plugin for WordPress, up to and including 3.10.1, contains a cross-site scripting flaw (CWE-79) in which input is not neutralized during web page generation. An unauthenticated attacker can inject script that runs in a victim's browser when a user interacts with the affected page.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Unauthenticated Cross Site Scripting (XSS) in picu <= 3.10.1 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0023 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
picupicuup to 3.10.1—No fix listedCNA
  • picu Vendorpicu Affected up to 3.10.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for picu.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-104395
  2. 2026-10-06 Alias added: GHSA-34f2-qxrc-2c85
  3. 2026-10-06 CISA SSVC decision points changed
  4. 2026-10-06 Priority changed: MEDIUM → LOW

References

  • TI-2026-68293 Broken access control in WordPress picu plugin CVSS 3.1HIGH 7.3
  • TI-2026-41324 WordPress picu plugin <= 3.5.1 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2025-18307 WordPress picu – Online Photo Proofing Gallery plugin <= 2.4.0 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3

Sources