WordPress Popular Posts <= 5.3.3 - Authenticated (Admin+) Stored Cross-Site Scripting

2021-07-04 20:59

R3N0

Strategic Overview

Status

Patched in 5.3.4

Affected PluginWP Popular Posts

Affected Version<= 5.3.3

CVSS5.5Medium

CVECVE-2021-36872

Vulnerability Overview

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress Popular Posts plugin (versions <= 5.3.3). Vulnerable at &widget-wpp[2][post_type].

Technical Analysis

REMEDIATION: Update to version 5.3.4, 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-2021-36872 https://www.wordfence.com/threat-intel/vulnerabilities/id/e9012824-7221-4b93-a5fb-65caf7994e92

CVSS Vector

5.5

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

Base

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

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