Vulnerability · Published Dec 22, 2021 · Assigned by GitHub_M
CVE-2021-43853Cross-Site Scripting in AjaxNetProfessional
High 8.7
In plain English
A high-severity cross-site scripting in Ajax.NET-Professional from michaelschwarz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | ajaxnetprofessional | 21.12.22.1 | GHSA-5q7q-qqw2-hjq7 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| michaelschwarz | Ajax.NET-Professional | < 21.12.22.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
References
- https://github.com/michaelschwarz/Ajax.NET-Professional/security/advisories/GHSA-5q7q-qqw2-hjq7 x_refsource_CONFIRM
- https://github.com/michaelschwarz/Ajax.NET-Professional/commit/c89e39b9679fcb8ab6644fe21cc7e652cb615e2b x_refsource_MISC
- https://github.com/michaelschwarz/Ajax.NET-Professional/releases/tag/v21.12.22.1 x_refsource_MISC