Untis WebUntis before 2020.9.6 allows XSS in multiple functions that store information.
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Untis WebUntis before 2020.9.6 allows XSS in multiple functions that store information.
Why it matters now
EPSS 0.00655 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-22453
- 2026-10-03 Alias added: GHSA-5355-m3jh-2v57
- 2026-10-13 EPSS moved to the 50th–90th percentile
References
More Untis Webuntis vulnerabilities
- TI-2020-08461 Untis WebUntis before 2020.9.6 allows CSRF for certain combinations of rights and modules. CVSS 3.1HIGH 8.8
Sources
- CVE-2020-22453 · CVE Program
- CVE-2020-22453 · NVD
- FIRST EPSS
- GHSA-5355-m3jh-2v57 · GitHub Advisory Database · CC BY 4.0
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