CVE-2021-39427

5.4 mediumEPSS 0.5%

Medium (5.4) in vtimecn 188jianzhan. EPSS 0.5% chance of exploitation in the next 30 days.

Cross site scripting vulnerability in 188Jianzhan 2.10 allows attackers to execute arbitrary code via the username parameter to /admin/reg.php.

Severity

5.4 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2022-12-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19