CVE-2021-24357

MEDIUM

Published Jun 14, 20215y ago · Modified Jun 17, 20262w ago

5.4 CVSS 3.1

Medium

Published Jun 14, 2021 5y ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

5.4

Exploitability

2.3

Impact

2.7

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction Required

Scope Changed

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

Vendor	Product	Version	Range
fooplugins	foogallery	*	<2.0.35

References 1

wpscan.com https://wpscan.com/vulnerability/950f46ae-4476-4969-863a-0e55752953b3

ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.