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Stored XSS in All-in-One Video Gallery shortcode attributes

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 All-in-One Video Gallery WordPress plugin from 0 before 5.0.0 does not validate or escape some shortcode attributes before outputting them in pages and posts where the shortcode is embedded. This flaw, classified as CWE-79, lets a user with the contributor role or higher perform stored cross-site scripting attacks. The references include a link to an exploit.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

The All-in-One Video Gallery WordPress plugin before 5.0.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embedded, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00235 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed All-in-One Video Gallery (Unknown): 5.0.0

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 5.0.05.0.0Patch availableCNA
  • All-in-One Video Gallery VendorUnknown Affected before 5.0.0 Fixed in 5.0.0 Patch available CNA

Remediation

Update the All-in-One Video Gallery plugin to version 5.0.0, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA All-in-One Video Gallery (Unknown) Fixed in 5.0.0

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-118783
  2. 2026-11-04 Alias added: GHSA-5rc8-q6x2-7jq7
  3. 2026-11-04 CVSS score added · CISA ADP
  4. 2026-11-04 Weakness changed · CISA ADP
  5. 2026-11-04 CISA SSVC decision points changed

References

Sources