Advanced Custom Fields Pro <= 5.9.0 - Reflected Cross-Site Scripting

2021-01-20 00:00

Juan David Ordoñez Noriega

Strategic Overview

Status

Patched in 5.9.1

Affected PluginAdvanced Custom Fields Pro

Affected Version< 5.9.1

CVSS6.1Medium

CVECVE-2021-24241

View all Advanced Custom Fields Pro vulnerabilities

Vulnerability Overview

The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outputting it in an attribute, leading to a reflected Cross-Site Scripting issue in the update settings page.

Technical Analysis

REMEDIATION: Update to version 5.9.1, or a newer patched version --- 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-2021-24241 https://www.wordfence.com/threat-intel/vulnerabilities/id/a09771da-a423-42ba-8f59-5c3bd189d9d3

CVSS Vector

6.1

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

Base

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

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