CVE-2023-49289

Cross-site Scripting in Ajax.NET Professional

MEDIUM
5.4
CVSS Score
Published: December 4, 2023 at 11:53 PM UTC
Updated: June 17, 2026 at 06:35 AM UTC
1 product affected across 1 vendorAjax.NET-Professional

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Ajax.NET Professional (AjaxPro) is an AJAX framework for Microsoft ASP.NET which will create proxy JavaScript classes that are used on client-side to invoke methods on the web server. Affected versions of this package are vulnerable cross site scripting attacks. Releases before version 21.12.22.1 are affected. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 21.12.22.1
Affected range stops below 21.12.22.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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