What’s Vulnerable › Vulnerabilities

CVE-2021-39427

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-15 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• Vtimecn 188Jianzhan: 2.10

References

• https://github.com/vtime-tech/188Jianzhan/issues/4
• https://github.com/vtime-tech/188Jianzhan/issues/4

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