What’s Vulnerable › Vulnerabilities

CVE-2022-48612

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-16 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• Classlink Oneclick: through 10.7

References

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

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