CVE-2022-48612

6.1 mediumEPSS 0.5%

Medium (6.1) in classlink oneclick. EPSS 0.5% chance of exploitation in the next 30 days.

A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.7 allows remote attackers to inject JavaScript into any webpage, because a regular expression (validating whether a URL is controlled by ClassLink) is not present in all applicable places.

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: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-10-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

classlink:oneclick

References

https://blog.zerdle.net/classlink/
https://blog.zerdle.net/classlink/

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