Per Page Add to Head <= 1.4.4 - Authenticated (Admin+) Stored Cross-Site Scripting

2021-08-11 00:00

Prashant Karman Patel

Strategic Overview

Status

Unpatched

Affected PluginPer page add to head

Affected Version<= 1.4.4

CVSS4.8Medium

CVECVE-2021-24619

View all Per page add to head vulnerabilities

Vulnerability Overview

The Per page add to head WordPress plugin through 1.4.4 does not properly sanitise one of its setting, allowing malicious HTML to be inserted by high privilege users even when the unfiltered_html capability is disallowed, which could lead to Cross-Site Scripting issues.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- 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-2021-24619 https://www.wordfence.com/threat-intel/vulnerabilities/id/c6e7ada1-c5ff-4a05-92e1-d681fc659956

CVSS Vector

4.8

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

Base

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

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