Description
The Otter Blocks WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.
Published: 2026-10-23
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 23 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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


Fri, 23 Oct 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions otter Blocks
Vendors & Products Wordpress-extensions
Wordpress-extensions otter Blocks

Fri, 23 Oct 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Fri, 23 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Otter Blocks WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.
Title Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style Attributes
References

Subscriptions

Wordpress-extensions Otter Blocks
cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-23T10:46:04.987Z

Reserved: 2026-10-13T11:14:40.742Z

Link: CVE-2026-109933

cve-icon Vulnrichment

Updated: 2026-10-23T10:39:32.131Z

cve-icon NVD

Status : Received

Published: 2026-10-23T06:17:05.170

Modified: 2026-10-23T12:18:07.033

Link: CVE-2026-109933

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T13:00:18Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')