Requarks wiki.js - Stored Cross-Site Scripting (XSS) in markdown editor
Priority MEDIUM 58CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00639 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Requarks | wiki | 2.0.0-beta.147 and later; up to 2.5.255 | — | No fix listed | CNA |
- wiki VendorRequarks Affected 2.0.0-beta.147 and later; up to 2.5.255 Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:requarks:wiki.js:*:*:*:*:*:*:*:* | 2.0.1 – 2.5.255 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta147:*:*:*:*:*:* | 2.0.0 beta147 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta148:*:*:*:*:*:* | 2.0.0 beta148 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta174:*:*:*:*:*:* | 2.0.0 beta174 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta180:*:*:*:*:*:* | 2.0.0 beta180 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta203:*:*:*:*:*:* | 2.0.0 beta203 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta208:*:*:*:*:*:* | 2.0.0 beta208 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta230:*:*:*:*:*:* | 2.0.0 beta230 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta241:*:*:*:*:*:* | 2.0.0 beta241 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta267:*:*:*:*:*:* | 2.0.0 beta267 | Vulnerable | Requarks |
- cpe:2.3:a:requarks:wiki.js:*:*:*:*:*:*:*:* Versions 2.0.1 – 2.5.255 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta147:*:*:*:*:*:* Versions 2.0.0 beta147 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta148:*:*:*:*:*:* Versions 2.0.0 beta148 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta174:*:*:*:*:*:* Versions 2.0.0 beta174 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta180:*:*:*:*:*:* Versions 2.0.0 beta180 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta203:*:*:*:*:*:* Versions 2.0.0 beta203 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta208:*:*:*:*:*:* Versions 2.0.0 beta208 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta230:*:*:*:*:*:* Versions 2.0.0 beta230 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta241:*:*:*:*:*:* Versions 2.0.0 beta241 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta267:*:*:*:*:*:* Versions 2.0.0 beta267 Vulnerable ·Requarks
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta268:*:*:*:*:*:* | 2.0.0 beta268 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta275:*:*:*:*:*:* | 2.0.0 beta275 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:beta303:*:*:*:*:*:* | 2.0.0 beta303 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:rc1:*:*:*:*:*:* | 2.0.0 rc1 | Vulnerable | Requarks |
| cpe:2.3:a:requarks:wiki.js:2.0.0:rc17:*:*:*:*:*:* | 2.0.0 rc17 | Vulnerable | Requarks |
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta268:*:*:*:*:*:* Versions 2.0.0 beta268 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta275:*:*:*:*:*:* Versions 2.0.0 beta275 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:beta303:*:*:*:*:*:* Versions 2.0.0 beta303 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:rc1:*:*:*:*:*:* Versions 2.0.0 rc1 Vulnerable ·Requarks
- cpe:2.3:a:requarks:wiki.js:2.0.0:rc17:*:*:*:*:*:* Versions 2.0.0 rc17 Vulnerable ·Requarks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25993
- 2026-10-03 Alias added: GHSA-42pj-96jc-q58w
- 2026-10-24 EPSS moved to the 50th–90th percentile
References
More Requarks Wiki.js vulnerabilities
- TI-2026-32203 Wiki.js: Privilege Escalation via Missing Group Validation in users.update CVSS 4.0HIGH 8.6
- TI-2025-35387 Requarks Wiki.js 2.5.307 does not properly revoke or invalidate active JWT tokens when a… CVSS 3.1CRITICAL 9.1
- TI-2020-12008 Directory Traversal in Wiki.js CVSS 3.1HIGH 8.6
- TI-2022-07706 Improper write access check in Requarks/wiki CVSS 3.1HIGH 8.1
- TI-2021-19662 Stored XSS in non-image uploads in Requarks/wiki CVSS 3.1HIGH 8.2
- TI-2021-19661 Stored XSS via SVG in Requarks/wiki CVSS 3.1HIGH 8.2
Sources
- CVE-2021-25993 · CVE Program
- CVE-2021-25993 · NVD
- FIRST EPSS
- GHSA-42pj-96jc-q58w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences