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CVE-2023-0599: Rapid7 Metasploit Pro Stored XSS

• Severity: medium (CVSS 4.8 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: none known
• Published: 2023-02-01 · updated 2026-06-17
• Weakness: CWE-79

Description

Rapid7 Metasploit Pro versions 4.21.2 and lower suffer from a stored cross site scripting vulnerability, due to a lack of JavaScript request string sanitization.  Using this vulnerability, an authenticated attacker can execute arbitrary HTML and script code in the target browser against another Metasploit Pro user using a specially crafted request. Note that in most deployments, all Metasploit Pro users tend to enjoy privileges equivalent to local administrator.

Affected products

• Rapid7 Metasploit Framework: through 4.21.2

References

• https://docs.rapid7.com/release-notes/metasploit/20230130/
• https://docs.rapid7.com/release-notes/metasploit/20230130/

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