CVE-2021-25993

Public Exploit
Requarks wiki.js - Stored Cross-Site Scripting (XSS) in markdown editor

Description

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.

Remediation

Solution:

  • Update version to 2.5.260 or later

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Third-Party Advisory github.com Third-Party Advisory whitesourcesoftware.com
Affected: Requarks wiki
Published at:
Updated at:

References

Link Tags
https://github.com/Requarks/wiki/commit/5d3e81496fba1f0fbd64eeb855f30f69a9040718 third party advisory patch
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25993 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-25993?
CVE-2021-25993 has been scored as a medium severity vulnerability.
How to fix CVE-2021-25993?
To fix CVE-2021-25993: Update version to 2.5.260 or later
Is CVE-2021-25993 being actively exploited in the wild?
It is possible that CVE-2021-25993 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-25993?
CVE-2021-25993 affects Requarks wiki.
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