CVE-2021-39427: Cross site scripting vulnerability in 188Jianzhan 2.10 allows attackers to execute arbitrary code via the username parameter to /admin/reg.php

Medium severity · published Dec 15, 2022

CVE-2021-39427

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

5.4

CVSS

0.5%

EPSS

On KEV

Description

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

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.5% · higher than 41% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

188jianzhan · Vtimecn

2.10 · source: NVD

Affected product

188jianzhan

Vtimecn

All 188jianzhan CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-39427

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-39427

Exploit

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