What’s Vulnerable › Vulnerabilities

CVE-2023-39777

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-16 · updated 2026-06-17
• Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability in the Admin Control Panel of vBulletin 5.7.5 and 6.0.0 allows attackers to execute arbitrary web scripts or HTML via the /login.php?do=login url parameter.

Affected products

• vBulletin: through 6.0.0

References

• https://gist.github.com/GiongfNef/8fe658dce4c7fcf3a7b4e6387e50141c
• https://gist.github.com/GiongfNef/8fe658dce4c7fcf3a7b4e6387e50141c

Get alerted when CVE-2023-39777 or the next vulnerability affects your stack