Vulnerability Description
Ajax.NET Professional (AjaxPro) is an AJAX framework available for Microsoft ASP.NET. Affected versions of this package are vulnerable to JavaScript object injection which may result in cross site scripting when leveraged by a malicious user. The affected core relates to JavaScript object creation when parsing json input. Releases before version 21.12.22.1 are affected. A workaround exists that replaces one of the core JavaScript files embedded in the library. See the GHSA-5q7q-qqw2-hjq7 for workaround details.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ajax.Net Professional Project | Ajax.Net Professional | < 21.12.22.1 |
Related Weaknesses (CWE)
References
- https://github.com/michaelschwarz/Ajax.NET-Professional/commit/c89e39b9679fcb8abPatchThird Party Advisory
- https://github.com/michaelschwarz/Ajax.NET-Professional/releases/tag/v21.12.22.1Release NotesThird Party Advisory
- https://github.com/michaelschwarz/Ajax.NET-Professional/security/advisories/GHSAMitigationThird Party Advisory
- https://github.com/michaelschwarz/Ajax.NET-Professional/commit/c89e39b9679fcb8abPatchThird Party Advisory
- https://github.com/michaelschwarz/Ajax.NET-Professional/releases/tag/v21.12.22.1Release NotesThird Party Advisory
- https://github.com/michaelschwarz/Ajax.NET-Professional/security/advisories/GHSAMitigationThird Party Advisory
FAQ
What is CVE-2021-43853?
CVE-2021-43853 is a vulnerability with a CVSS score of 8.7 (HIGH). Ajax.NET Professional (AjaxPro) is an AJAX framework available for Microsoft ASP.NET. Affected versions of this package are vulnerable to JavaScript object injection which may result in cross site scr...
How severe is CVE-2021-43853?
CVE-2021-43853 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43853?
Check the references section above for vendor advisories and patch information. Affected products include: Ajax.Net Professional Project Ajax.Net Professional.