PT-2021-22271 · Yclas · Yclas

Published 2021-08-18 · Updated 2021-08-24 · CVE-2021-38710

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Yclas version 4.3.0

Description A Static (Persistent) XSS issue exists when using the install/view/form.php script. An attacker can store XSS in the database through the vulnerable SITE NAME parameter.

Recommendations For Yclas version 4.3.0, as a temporary workaround, consider restricting the use of the SITE NAME parameter in the install/view/form.php script until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-38710

Affected Products

Yclas

References · 5

• 🔥❌ https://github.com/security-n/CVE-2021-38710 · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2021-38710 · Security Note
• https://osv.dev/vulnerability/CVE-2021-38710 · Vendor Advisory
• https://t.me/cvenotify/19620 · Telegram Post
• https://t.me/cibsecurity/27536 · Telegram Post