CVE-2023-7334 — Changjetong T+ versions up to and including 16

Changjetong T+ versions up to and including 16.x contain a .NET deserialization vulnerability in an AjaxPro endpoint that can lead to remote code execution. A remote attacker can send a crafted request to /tplus/ajaxpro/Ufida.T.CodeBehind._PriorityLevel,App_Code.ashx?method=GetSt

01What is this vulnerability?

Changjetong T+ versions up to and including 16.x contain a .NET deserialization vulnerability in an AjaxPro endpoint that can lead to remote code execution. A remote attacker can send a crafted request to /tplus/ajaxpro/Ufida.T.CodeBehind._PriorityLevel,App_Code.ashx?method=GetStoreWarehouseByStore with a malicious JSON body that leverages deserialization of attacker-controlled .NET types to…

02Affected products

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-01-15T21:44:58.843Z
• Last modified: 2026-03-05T01:29:47.545Z

09References

• www.chanjetvip.com — https://www.chanjetvip.com/product/goods/detail?id=6077e91b70fa071069139f62
• www.freebuf.com — https://www.freebuf.com/articles/web/381731.html
• blog.csdn.net — https://blog.csdn.net/qq_53003652/article/details/134031230
• blog.csdn.net — https://blog.csdn.net/u010025272/article/details/131553591
• github.com — https://github.com/MD-SEC/MDPOCS/blob/main/ChangJieTongTPlus_GetStoreWarehouseBy…
• www.vulncheck.com — https://www.vulncheck.com/advisories/changjetong-tplus-getstorewarehousebystore-…