CVE-2026-120500EPSS p21.4%
CVE-2026-120500CVE-2026-120500
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.
Scoring
| CVSS | 6.1 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 0.29% probability of exploitation · percentile 21.4% · 2026-11-03T12:00:27Z |
| Last modified | 2026-11-02 |