Requarks wiki.js - Stored Cross-Site Scripting (XSS) in markdown editor
CVE-2021-25993

5.4MEDIUM

Key Information:

Vendor

Requarks

Status
Wiki
Vendor
CVE Published:
29 December 2021

What is CVE-2021-25993?

In Requarks wiki.js, versions 2.0.0-beta.147 to 2.5.255 are affected by Stored XSS vulnerability, where a low privileged (editor) user can upload a SVG file that contains malicious JavaScript while uploading assets in the page. That will send the JWT tokens to the attacker’s server and will lead to account takeover when accessed by the victim.

Affected Version(s)

wiki 2.0.0-beta.147

wiki <= 2.5.255

References

https://github.com/Requarks/wiki/commit/5d3e81496fba1f0fb...
x_refsource_MISC
https://www.whitesourcesoftware.com/vulnerability-databas...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

WhiteSource Vulnerability Research Team (WVR)
.