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TI-2021-06649 Aliases CVE-2021-24357GHSA-2q7g-6q23-mgp7

FooGallery < 2.0.35 - Authenticated Stored Cross-Site Scripting

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

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

Summary

In the Best Image Gallery & Responsive Photo Gallery – FooGallery WordPress plugin before 2.0.35, the Custom CSS field of each gallery is not properly sanitised or validated before being being output in the page where the gallery is embed, leading to a stored Cross-Site Scripting issue.

Why it matters now

EPSS 0.00624 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Best Image Gallery & Responsive Photo Gallery – FooGallery (FooPlugins): 2.0.35

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
foopluginsBest Image Gallery & Responsive Photo Gallery – FooGallery2.0.35 to before 2.0.352.0.35Patch availableCNA
  • Best Image Gallery & Responsive Photo Gallery – FooGallery Vendorfooplugins Affected 2.0.35 to before 2.0.35 Fixed in 2.0.35 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fooplugins:foogallery:*:*:*:*:*:wordpress:*:*before 2.0.35Vulnerablefooplugins
  • cpe:2.3:a:fooplugins:foogallery:*:*:*:*:*:wordpress:*:* Versions before 2.0.35 Vulnerable ·fooplugins

Remediation

  • Fix · CNA Best Image Gallery & Responsive Photo Gallery – FooGallery (FooPlugins) Fixed in 2.0.35

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24357
  2. 2026-10-03 Alias added: GHSA-2q7g-6q23-mgp7
  3. 2026-11-04 EPSS moved to the 50th–90th percentile

References

  • TI-2023-23759 WordPress FooGallery Plugin <= 2.2.44 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
  • TI-2023-13819 WordPress FooGallery Plugin <= 2.2.35 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
  • TI-2023-06350 Best WordPress Gallery Plugin – FooGallery <= 2.4.16 - Authenticated (Contributor+) Directory Traversal CVSS 3.1HIGH 7.7
  • TI-2024-11241 Cross-site scripting in fooplugins Gallery by FooGallery CVSS 3.1MEDIUM 6.4
  • TI-2023-23770 WordPress FooGallery Plugin <= 2.2.44 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
  • TI-2024-01972 FooGallery <= 2.4.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gallery Custom URL CVSS 3.1MEDIUM 6.4
See all 14 →

Sources