What’s Vulnerable › Vulnerabilities

CVE-2020-8789

• Severity: medium (CVSS 5.4 v3.1)
• 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: 2020-05-22 · updated 2026-06-17
• Weakness: CWE-79

Description

Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.

Affected products

• Composr Project Composr: through 10.0.30

References

• http://packetstormsecurity.com/files/157787/Composr-CMS-10.0.30-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2020/May/39
• http://packetstormsecurity.com/files/157787/Composr-CMS-10.0.30-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2020/May/39

Get alerted when CVE-2020-8789 or the next vulnerability affects your stack