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Stored cross-site scripting in All-in-One Video Gallery plugin

Priority LOW 36CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 All-in-One Video Gallery WordPress plugin before 5.1.0 does not escape a video's stored thumbnail URL in the admin video list, and does not sanitise that value when it is saved outside the plugin's own editor. This is a stored cross-site scripting flaw (CWE-79). A user with as little as the Subscriber role can store script that runs in administrators' browsers. An exploit link is listed in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

The All-in-One Video Gallery WordPress plugin before 5.1.0 does not escape a video's stored thumbnail URL before outputting it in the admin video list, and does not sanitise that value when it is written outside its own editor, allowing users with a role as low as Subscriber to perform Stored Cross-Site Scripting attacks against administrators.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00226 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed All-in-One Video Gallery (Unknown): 5.1.0

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
UnknownAll-in-One Video Gallerybefore 5.1.05.1.0Patch availableCNA
  • All-in-One Video Gallery VendorUnknown Affected before 5.1.0 Fixed in 5.1.0 Patch available CNA

Remediation

Update All-in-One Video Gallery to version 5.1.0, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA All-in-One Video Gallery (Unknown) Fixed in 5.1.0

Fixed in the same release

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

  • Release ·

    All-in-One Video Gallery 5.1.0

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-85755 Missing authorization in All-in-One Video Gallery lets visitors write post metaPriority LOW 29

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-120408
  2. 2026-11-06 Alias added: GHSA-8jjw-cvh4-g9cw
  3. 2026-11-06 CVSS score added · CISA ADP
  4. 2026-11-06 Weakness changed · CISA ADP
  5. 2026-11-06 CISA SSVC decision points changed

References

Sources