CVE-2017-0891
UnknownEPSS 0.64%
Last modified
CVE-2017-0891 is a vulnerability of currently unknown severity. Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are vulnerable to an inadequate escaping of error messages leading to XSS vulnerabilities in multiple components.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.
Description
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are vulnerable to an inadequate escaping of error messages leading to XSS vulnerabilities in multiple components.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 9.0.58 |
| Nextcloud | Nextcloud Server | >= 10.0.0, < 10.0.5 |
| Nextcloud | Nextcloud Server | >= 11.0.0, < 11.0.3 |
References
- https://hackerone.com/reports/216812Third Party Advisory, VDB Entry
- https://nextcloud.com/security/advisory/?id=nc-sa-2017-008Vendor Advisory
- https://hackerone.com/reports/216812Third Party Advisory, VDB Entry
- https://nextcloud.com/security/advisory/?id=nc-sa-2017-008Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-0891?
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are vulnerable to an inadequate escaping of error messages leading to XSS vulnerabilities in multiple components.
How severe is CVE-2017-0891?
Severity scoring for CVE-2017-0891 is pending analysis. The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.
How do I fix CVE-2017-0891?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2017-0891?
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