CVE-2026-2986

MEDIUM

Contextual Related Posts <= 4.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'other_attributes'

Title source: cna
STIX 2.1

Description

The Contextual Related Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'other_attributes' parameter in versions up to, and including, 4.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

References (2)

Scores

CVSS v3 6.4
EPSS 0.0001
EPSS Percentile 1.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
ajay/Contextual Related Posts < 4.2.1
Published Apr 18, 2026
Tracked Since Apr 18, 2026