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TI-2021-06949 Aliases CVE-2021-24667GHSA-7x7j-cf43-24q8

Gallery Blocks with Lightbox < 2.2.1- 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

A stored cross-site scripting vulnerability has been discovered in : Simply Gallery Blocks with Lightbox (Version – 2.2.0 & below). The vulnerability exists in the Lightbox functionality where a user with low privileges is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to insufficient validation of image parameters in meta data.

Why it matters now

EPSS 0.00618 49th percentileScored 2026-11-07
Fix Fixed Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery (Unknown): 2.2.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownGallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery2.2.1 to before 2.2.12.2.1Patch availableCNA
  • Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery VendorUnknown Affected 2.2.1 to before 2.2.1 Fixed in 2.2.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:simplygallery:simply_gallery_blocks_with_lightbox:*:*:*:*:*:wordpress:*:*before 2.2.1VulnerableSimplygallery
  • cpe:2.3:a:simplygallery:simply_gallery_blocks_with_lightbox:*:*:*:*:*:wordpress:*:* Versions before 2.2.1 Vulnerable ·Simplygallery

Remediation

  • Fix · CNA Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery (Unknown) Fixed in 2.2.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24667
  2. 2026-10-03 Alias added: GHSA-7x7j-cf43-24q8

References

  • TI-2023-00418 Gallery Blocks with Lightbox < 3.0.8 - Subscriber+ Arbitrary Options Update CVSS 3.1HIGH 8.1

Sources