What is CVE-2023-45889?

CVE-2023-45889 is a medium-severity vulnerability in Classlink Oneclick, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-01-23.

How severe is CVE-2023-45889?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Classlink Oneclick

CVE-2023-45889

A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.8 allows remote attackers to inject JavaScript into any webpage. NOTE: this issue exists because of an incomplete fix for CVE-2022-48612.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (36.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Classlink Oneclick
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-45889?: CVE-2023-45889 is a medium-severity vulnerability in Classlink Oneclick, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-01-23.
How severe is CVE-2023-45889?: Medium severity. CVSS v3 base score is 6.1 out of 10.