The Advance Block Extend plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the TitleColor block attribute in the Latest Posts Gutenberg block in all versions up to, and including, 1.0.4 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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00029.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Iamjaydip Subscribe
Advance Block Extend Subscribe
Wordpress Subscribe
Wordpress Subscribe

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Vendors Products
Iamjaydip Subscribe
Advance Block Extend Subscribe
Wordpress Subscribe
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://plugins.trac.wordpress.org/browser/advance-block-extend/tags/1.0.4/gutenberg-block.php#L118 cve-icon
https://plugins.trac.wordpress.org/browser/advance-block-extend/trunk/gutenberg-block.php#L118 cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/3218716a-cce6-4ce7-a6be-4e146e0a6d53?source=cve cve-icon
History

Thu, 19 Feb 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Iamjaydip
Iamjaydip advance Block Extend
Wordpress
Wordpress wordpress
Vendors & Products Iamjaydip
Iamjaydip advance Block Extend
Wordpress
Wordpress wordpress

Thu, 19 Feb 2026 05:00:00 +0000

Type Values Removed Values Added
Description The Advance Block Extend plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the TitleColor block attribute in the Latest Posts Gutenberg block in all versions up to, and including, 1.0.4 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.
Title Advance Block Extend <= 1.0.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via TitleColor Block 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: 2026-02-19T04:36:08.200Z

Reserved: 2026-01-29T18:41:12.628Z

Link: CVE-2026-1646

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-19T10:07:20Z

Weaknesses