CVE-2021-24667

Gallery Blocks with Lightbox < 2.2.1- Authenticated Stored Cross-Site Scripting

MEDIUM
5.4
CVSS Score
Published: August 30, 2021 at 02:11 PM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorSimply Gallery Blocks with Lightbox

Using Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery by Unknown?

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.2.1
Affected range stops below 2.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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