GZ::CTF allows unprivileged user can perform XSS attacks by constructing malicious team names.
Priority LOW 30CWE-79Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
GZ::CTF is a capture the flag platform. Prior to 0.20.1, unprivileged user can perform cross-site scripting attacks on other users by constructing malicious team names. This problem has been fixed in `v0.20.1`.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0055 46th percentileScored 2026-11-07
Fix Fixed GZCTF (GZTimeWalker): 0.20.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| GZTimeWalker | GZCTF | before 0.20.1 | 0.20.1 | Patch available | CNA |
- GZCTF VendorGZTimeWalker Affected before 0.20.1 Fixed in 0.20.1 Patch available CNA
Remediation
- Fix · CNA GZCTF (GZTimeWalker) Fixed in 0.20.1
Timeline
- 2026-10-02 Threatist record created from CVE-2024-34699
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences