CVE-2026-1098

MEDIUM
2026-01-24 [email protected]
6.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:59 vuln.today
CVE Published
Jan 24, 2026 - 09:15 nvd
MEDIUM 6.4

Tags

WordPress XSS

Description

The CM CSS Columns plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tag' shortcode attribute in all versions up to, and including, 1.2.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Analysis

Stored cross-site scripting in CM CSS Columns plugin for WordPress through version 1.2.1 allows authenticated contributors and higher-privileged users to inject malicious scripts via improperly sanitized shortcode attributes. When other users view pages containing the injected content, the malicious scripts execute in their browsers, potentially compromising their accounts or stealing sensitive information. …

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Remediation

Within 30 days: Identify affected systems running all and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-1098 vulnerability details – vuln.today
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