CVE-2026-120500

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/redimp/otterwiki/commit/b2e91d20ed36c01ce140d18698f9abb90685d481
https://github.com/redimp/otterwiki/releases/tag/v2.26.2
https://www.vulncheck.com/advisories/an-otter-wiki-before-2.26.2-stored-xss-via-math-code-block

Configurations

No configuration.

History

02 Nov 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-02 16:17

Updated : 2026-11-02 19:35

NVD link : CVE-2026-120500

Mitre link : CVE-2026-120500

CVE.ORG link : CVE-2026-120500

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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