Classlink develops single sign-on and identity-management solutions for educational institutions, with its vulnerability footprint centered on the OneClick platform and reflecting input-handling challenges typical of web-based authentication and access-control systems. The recurring signal centers on cross-site scripting weaknesses in web page generation, consistent with the attack surface presented by a credential-broker serving browser clients across diverse institutional deployments. Current severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Classlink over time
Signals from CVEs in this vendor scope (2 CVEs).
2 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2023-45889MEDIUM 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 e | Jan 23, 2024 | 6.1 | 19 | NO | NO |
CVE-2022-48612MEDIUM 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 | Oct 16, 2023 | 6.1 | 19 | NO | NO |
Signals from CVEs in this vendor scope (2 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Classlink.
Media articles that mention a CVE ID that affects a product developed by Classlink — matched by CVE ID, not by vendor name.