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CVE Vulnerability Details :
CVE-2026-1646
PUBLISHED
More InfoOfficial Page
Assigner-Wordfence
Assigner Org ID-b15e7b5b-3da4-40ae-a43c-f7aa60e62599
View Known Exploited Vulnerability (KEV) details
Published At-19 Feb, 2026 | 04:36
Updated At-19 Feb, 2026 | 04:36
Rejected At-
▼CVE Numbering Authority (CNA)
Advance Block Extend <= 1.0.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via TitleColor Block Attribute

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.

Affected Products
Vendor
iamjaydip
Product
Advance Block Extend
Default Status
unaffected
Versions
Affected
  • From * through 1.0.4 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
3.16.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Athiwat Tiprasaharn
finder
Itthidej Aramsri
finder
Vilaysone CHANTHAVONG
Timeline
EventDate
Disclosed2026-02-18 15:53:05
Event: Disclosed
Date: 2026-02-18 15:53:05
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.wordfence.com/threat-intel/vulnerabilities/id/3218716a-cce6-4ce7-a6be-4e146e0a6d53?source=cve
N/A
https://plugins.trac.wordpress.org/browser/advance-block-extend/trunk/gutenberg-block.php#L118
N/A
https://plugins.trac.wordpress.org/browser/advance-block-extend/tags/1.0.4/gutenberg-block.php#L118
N/A
Hyperlink: https://www.wordfence.com/threat-intel/vulnerabilities/id/3218716a-cce6-4ce7-a6be-4e146e0a6d53?source=cve
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/advance-block-extend/trunk/gutenberg-block.php#L118
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/advance-block-extend/tags/1.0.4/gutenberg-block.php#L118
Resource: N/A
Details not found