CVE-2023-45889

MEDIUM 6.1EPSS 0.4%

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.

CVSS v3.1: 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v3.1: 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.45% chance of exploitation in the next 30 days, 37th percentile
Published: 2024-01-23
Updated: 2025-05-30

Proof-of-concept exploits (1)

https://blog.zerdle.net/classlink2/

References

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