XSS in Requarks Wiki
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Requarks Wiki — versions 2.0.0-beta.147, unspecified
- Requarks Wiki.js — versions 2.0.0
Weakness classification (CWE)
References
- github.com/Requarks/wiki/commit/5d3e81496fba1f0fbd64eeb855f30f69a9040718 (Patch, Third Party Advisory)
- www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25993 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25993?
- CVE-2021-25993 is a medium-severity vulnerability in Requarks Wiki, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-29.
- How severe is CVE-2021-25993?
- Medium severity. CVSS v3 base score is 5.4 out of 10.