CVE-2021-4296
3.5 · LOWOverview
CVE-2021-4296 is a low-severity vulnerability affecting w3 unicorn. It was published on December 29, 2022 and has a CVSS 3.1 base score of 3.5 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A vulnerability, which was classified as problematic, has been found in w3c Unicorn. This issue affects the function ValidatorNuMessage of the file src/org/w3c/unicorn/response/impl/ValidatorNuMessage.java. The manipulation of the argument message leads to cross site scripting. The attack may be initiated remotely. The name of the patch is 51f75c31f7fc33859a9a571311c67ae4e95d9c68. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-217019.
Remediation
Check the references section for vendor advisories and patches from w3. Update unicorn to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| w3 | unicorn | >= 0, < 2021-06-03 | Affected |
References
Frequently Asked Questions
What is CVE-2021-4296?
CVE-2021-4296 is a low-severity vulnerability affecting w3 unicorn. It was published on December 29, 2022 and has a CVSS 3.1 base score of 3.5 (LOW).
How severe is CVE-2021-4296?
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-4296?
Check the references section for vendor advisories and patches from w3. Update unicorn to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-4296?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-4296 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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