The Custom Twitter Feeds – A Tweets Widget or X Feed Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'buttoncolor' Shortcode Attribute in all versions up to, and including, 2.8.0 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. This vulnerability is exploitable on common installs where the admin has configured access tokens with zero or multiple legacy feeds, as this causes the ctf_statuses support_legacy_shortcode option to be set to boolean true by default, activating the unfiltered legacy shortcode attribute code path.

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Fixes

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History

Sun, 20 Sep 2026 03:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 18 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Smub
Smub custom Twitter Feeds – A Tweets Widget Or X Feed Widget
Wordpress
Wordpress wordpress
Vendors & Products Smub
Smub custom Twitter Feeds – A Tweets Widget Or X Feed Widget
Wordpress
Wordpress wordpress

Fri, 18 Sep 2026 07:00:00 +0000

Type Values Removed Values Added
Description The Custom Twitter Feeds – A Tweets Widget or X Feed Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'buttoncolor' Shortcode Attribute in all versions up to, and including, 2.8.0 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. This vulnerability is exploitable on common installs where the admin has configured access tokens with zero or multiple legacy feeds, as this causes the ctf_statuses support_legacy_shortcode option to be set to boolean true by default, activating the unfiltered legacy shortcode attribute code path.
Title Custom Twitter Feeds <= 2.8.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'buttoncolor' Shortcode Attribute
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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-09-18T14:31:44.098Z

Reserved: 2026-09-02T15:42:41.203Z

Link: CVE-2026-84909

cve-icon Vulnrichment

Updated: 2026-09-18T14:29:55.816Z

cve-icon NVD

Status : Deferred

Published: 2026-09-18T07:16:50.390

Modified: 2026-09-18T15:17:14.100

Link: CVE-2026-84909

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-19T20:45:17Z

Weaknesses