CVE-2016-5721
UnknownEPSS 1.06%
Last modified
CVE-2016-5721 is a vulnerability of currently unknown severity. Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zimbra | Zimbra Collaboration Server | <= 8.6.0 |
References
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesRelease Notes, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-5721?
Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2016-5721?
Severity scoring for CVE-2016-5721 is pending analysis. The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5721?
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-2016-5721?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST