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CVE-2021-24533

Maintenance < 4.03 - Authenticated Stored XSS

MEDIUM
4.8
CVSS Score
Published: August 23, 2021 at 11:10 AM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorMaintenance

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend

Affected

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

Maintenance· Webfactoryltdwordpress-plugin
95%
v < 4.03
Affected range stops below 4.03, 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 (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/174b2119-b806-4da4-a23d-c19b552c86cb

CVSS

4.8MEDIUM[email protected]
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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