CVE-2021-39420

6.1 mediumEPSS 0.7%

Medium (6.1) in vfront vfront. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-11-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

vfront:vfront

References

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

Check your stack JSON