PT-2024-13297 · Classlink · Classlink Oneclick Extension

James Connolly · Published 2024-01-23 · Updated 2024-01-29 · CVE-2023-45889

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 ClassLink OneClick Extension versions through 10.8

Description A Universal Cross Site Scripting (UXSS) issue allows remote attackers to inject JavaScript into any webpage. This issue exists due to an incomplete fix for a previous problem.

Recommendations For ClassLink OneClick Extension versions through 10.8, update to a version that fully addresses the incomplete fix issue to prevent JavaScript injection attacks. 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-2023-45889

Affected Products

Classlink Oneclick Extension

References · 6

• 🔥 https://blog.zerdle.net/classlink2 · Exploit
• https://osv.dev/vulnerability/CVE-2023-45889 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-45889 · Security Note
• https://twitter.com/CVEnew/status/1749852574453244102 · Twitter Post
• https://blog.zerdle.net/classlink · Note
• https://t.me/cvenotify/68391 · Telegram Post