CVE-2021-24427

W3 Total Cache < 2.1.3 - Authenticated Stored XSS

MEDIUM
4.8
CVSS Score
Published: July 12, 2021 at 07:20 PM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorW3 Total Cache

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

The W3 Total Cache WordPress plugin before 2.1.3 did not sanitise or escape some of its CDN settings, allowing high privilege users to use JavaScript in them, which will be output in the page, leading to an authenticated Stored Cross-Site Scripting issue

Affected

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

95%
v < 2.1.3
Affected range stops below 2.1.3, 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.

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-79

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