CVE-2021-38710

6.1 mediumEPSS 0.6%

Medium (6.1) in yclas yclas. EPSS 0.6% chance of exploitation in the next 30 days.

Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install/view/form.php script. An attacker can store XSS in the database through the vulnerable SITE_NAME parameter.

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: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-08-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

yclas:yclas

References

https://github.com/security-n/CVE-2021-38710
https://github.com/security-n/CVE-2021-38710

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