What’s Vulnerable › Vulnerabilities

CVE-2021-39420

• Severity: medium (CVSS 6.1 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: 2021-11-08 · updated 2026-06-17
• Weakness: CWE-79

Description

Multiple Cross Site Scripting (XSS) vulnerabilities exist in VFront 0.99.5 via the (1) s parameter in search_all.php and the (2) msg parameter in add.attach.php.

Affected products

• Vfront: 0.99.5

References

• https://sisl.lab.uic.edu/projects/chess/vfront0-99-5/
• https://sisl.lab.uic.edu/projects/chess/vfront0-99-5/

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