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CVE-2021-24592

Sitewide Notice WP < 2.3 - Authenticated Stored XSS

MEDIUM
4.8
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 vendorSitewide Notice

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected

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

Sitewide Notice· Yoohoopluginswordpress-plugin
95%
v < 2.3
Affected range stops below 2.3, 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.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/9579ff13-9597-4a77-8cb9-997e35265d22

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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