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.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

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

Projects

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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: 2026-10-23T08:00:15Z

Weaknesses