The Contextual Related Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'other_attributes' Block Parameter in all versions up to, and including, 4.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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History

Tue, 22 Sep 2026 05:45:00 +0000

Type Values Removed Values Added
Description The Contextual Related Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'other_attributes' Block Parameter in all versions up to, and including, 4.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Title Contextual Related Posts <= 4.4.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'other_attributes' Block Parameter
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-09-22T05:30:42.725Z

Reserved: 2026-09-04T13:11:31.767Z

Link: CVE-2026-85653

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-09-22T06:16:49.597

Modified: 2026-09-22T06:16:49.597

Link: CVE-2026-85653

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses