CVE-2017-9781
Last modified
CVE-2017-9781 is a vulnerability of currently unknown severity. A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.
Description
A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Check Mk Project | Check Mk | 1.4.0 |
References
- https://www.tenable.com/security/research/tra-2017-21Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2017-21Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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.
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