What’s Vulnerable › Vulnerabilities

CVE-2021-25295

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-18 · updated 2026-06-17
• Weakness: CWE-79

Description

OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.

Affected products

• OpenCATS: through 0.9.5-3

References

• https://github.com/snoopysecurity/snoopysecurity.github.io/blob/master/web-application-security/2021/01/16/09_opencats_php_object_injection.html
• https://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.html
• https://www.opencats.org/news/
• https://github.com/snoopysecurity/snoopysecurity.github.io/blob/master/web-application-security/2021/01/16/09_opencats_php_object_injection.html
• https://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.html
• https://www.opencats.org/news/

Get alerted when CVE-2021-25295 or the next vulnerability affects your stack