What’s Vulnerable › Vulnerabilities
CVE-2017-16821
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2017-11-15 · updated 2026-06-17
- Weakness: CWE-79
Description
b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as demonstrated by a crafted X-Forwarded-For HTTP header that is mishandled during display of a client IP address in /admin/user/userid.
Affected products
- b3log Symphony: 2.2.0
References
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