WordPress Popular Posts <= 5.3.2 - Authenticated Cross-Site Scripting

2021-06-23 00:00

Yu Iwama

Strategic Overview

Status

Patched in 5.3.3

Affected PluginWP Popular Posts

Affected Version< 5.3.3

CVSS6.4Medium

CVECVE-2021-20746

Vulnerability Overview

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Technical Analysis

REMEDIATION: Update to version 5.3.3, 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-2021-20746 https://www.wordfence.com/threat-intel/vulnerabilities/id/47d4cf6a-400f-4001-95de-f93e574bb2ef

CVSS Vector

6.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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