What’s Vulnerable › Vulnerabilities

CVE-2017-16956

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-11-27 · updated 2026-06-17
• Weakness: CWE-79

Description

b3log Symphony (aka Sym) 2.2.0 allows an XSS attack by sending a private letter with a certain /article URI, and a second private letter with a modified title.

Affected products

• Symphony Project Symphony: 2.2.0

References

• https://github.com/b3log/symphony/issues/509
• https://github.com/b3log/symphony/issues/509

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