CVE-2026-109933

medium

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.

References

https://wpscan.com/vulnerability/a2a19770-9ee2-4164-9ea6-a882cf0085e9/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108586

Details

Source: Mitre, NVD

Published: 2026-10-23

Updated: 2026-10-23

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 6.8

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Severity: Medium

EPSS

EPSS: 0.00153