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CVE-2023-49289

17
FAUCET Score

CVE-2023-49289 is a cross-site scripting (XSS) vulnerability affecting Ajax.NET Professional (AjaxPro) versions prior to 21.12.22.1. This medium-severity vulnerability, with a CVSS score of 5.4, can be exploited remotely with low attack complexity, requiring user interaction to achieve limited impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 21.12.22.1CPE matchmatch criteria
cpe:2.3:a:michaelschwarz:ajax.net_professional:*:*:*:*:*:asp.net:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 50th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
nugetpatch availablevia ghsa
Product: AjaxNetProfessionalFixed in: 21.12.22.1

Vendor Advisories (1)

nugetGHSA-8v6j-gc74-fmppmedium

Ajax Pro Cross-site Scripting

Dec 5, 2023

References

github.com / michaelschwarz/Ajax.NET-Professional/commit/c89e39b9679fcb8ab6644fe21cc7e652cb615e2b
Patch
github.com / michaelschwarz/Ajax.NET-Professional/security/advisories/GHSA-8v6j-gc74-fmpp
Vendor Advisory
nuget.org / packages/AjaxNetProfessional
Product