Gallery Blocks with Lightbox <= 2.2.0 - Authenticated Stored Cross-Site Scripting

2021-08-23 00:00

Vishnupriya Ilango

Strategic Overview

Status

Patched in 2.2.1

Affected PluginSimpLy Gallery

Affected Version< 2.2.1

CVSS5.4Medium

CVECVE-2021-24667

View all SimpLy Gallery vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 2.2.1, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24667 https://www.wordfence.com/threat-intel/vulnerabilities/id/5de488a2-72d6-4eeb-9b92-7f5bea1ee4ff

CVSS Vector

5.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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