Description
yshop-crm through 2.1.3 contains an insecure direct object reference vulnerability that allows authenticated sales users to access other users' customer records by supplying arbitrary ids. Attackers can enumerate ids against the get, update, delete and do-open endpoints to read contact details, overwrite or delete customers, or release them into the public pool.
References5
- github.com/guchengwuyue/yshop-crm/blob/a93846584877ed5f6ffcaeeb…
- github.com/guchengwuyue/yshop-crm/blob/a93846584877ed5f6ffcaeeb…
- hackmd.io/@hieuPenguinnn/yshop-crm-customer-idor-and-missing-au…
- www.vulncheck.com/advisories/yshop-crm-through-2.1.3-idor-via-c…
- hackmd.io/@hieuPenguinnn/yshop-crm-customer-idor-and-missing-au…
Metrics
- CVSS 3.1
-
6.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 4.0
-
5.3
MEDIUM
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 16 · as of 10 November 2026
- CWE
- CWE-639
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.