CVE-2026-120500
MEDIUM
NVD
CVSS Score
6.1
Severity
MEDIUM
Published
Nov 02, 2026
Vendor
unknown
Description
An Otter Wiki before 2.26.2 contains a stored cross-site scripting vulnerability in OtterwikiMdRenderer.block_code that allows attackers who can edit pages, including anonymous users under the default configuration, to inject arbitrary script. Attackers can place HTML inside a math fenced code block, which is rendered unescaped and executes for every viewer of the page.