Description
The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. 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.
Published: 2026-04-28
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Stored Cross‑Site Scripting
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 28 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 28 Apr 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Dartiss
Dartiss social Post Embed
Wordpress
Wordpress wordpress
Vendors & Products Dartiss
Dartiss social Post Embed
Wordpress
Wordpress wordpress

Tue, 28 Apr 2026 05:30:00 +0000

Type Values Removed Values Added
Description The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. 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.
Title Social Post Embed <= 2.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Threads Embed
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'}


Subscriptions

Dartiss Social Post Embed
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-28T12:37:12.960Z

Reserved: 2026-04-21T17:19:28.939Z

Link: CVE-2026-6809

cve-icon Vulnrichment

Updated: 2026-04-28T12:37:08.634Z

cve-icon NVD

Status : Deferred

Published: 2026-04-28T06:16:04.770

Modified: 2026-04-28T20:26:04.673

Link: CVE-2026-6809

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T12:30:31Z

Weaknesses