CVE-2026-120500 (GCVE-0-2026-120500)

Vulnerability from cvelistv5 – Published: 2026-11-02 15:31 – Updated: 2026-11-02 16:05
VLAI
Title
An Otter Wiki before 2.26.2 Stored XSS via Math Code Block
Summary
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.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 16:05 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7363 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
redimp otterwiki Affected: 2.0.0 , < 2.26.2 (semver)
guessed Create a notification for this product.
Date Public
2026-10-31 00:00
Credits
Zachariah Mithani (AploSec) Ralph Thesen
Show details on NVD website
To clipboard 

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