EUVD-2026-80662
GHSA-9fpf-hpfc-3v65
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/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
Network-reachable API with low complexity but requires a valid low-privilege back-office login (PR:L); impact is integrity-only (invoice/contract data manipulation), no confidentiality or availability loss.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
5DescriptionCVE.org
yshop-crm through 2.1.3 contains a missing authorization vulnerability in the CrmInvoiceController issueInvoice endpoint that allows authenticated back-office users to issue arbitrary invoices. Attackers can call the PUT /admin-api/crm/invoice/issue endpoint without required permissions to modify invoice status, inflate contract invoiced amounts with attacker-chosen values, and trigger invoice emails to arbitrary addresses.
AnalysisAI
Missing authorization in yshop-crm through 2.1.3 allows any authenticated back-office user to issue arbitrary invoices by calling the PUT /admin-api/crm/invoice/issue endpoint, which performs no permission check on the caller. An attacker holding low-privileged back-office credentials can set an invoice's status, overwrite contract invoiced amounts with attacker-chosen values, and trigger invoice emails to arbitrary recipient addresses - a pure integrity impact with no confidentiality or availability loss. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a valid but low-privileged authenticated back-office account on yshop-crm (PR:L); the attacker calls the PUT /admin-api/crm/invoice/issue (issueInvoice) endpoint, which lacks the required permission check. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a moderate, authenticated broken-access-control issue, not a critical pre-auth flaw. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis, and the available references are upstream source files and a VulnCheck advisory (https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-missing-authorization-via-crminvoicecontroller-issueinvoice) rather than a fixed release, so operators should track https://github.com/guchengwuyue/yshop-crm for a patched version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, immediately restrict access to the PUT /admin-api/crm/invoice/issue endpoint in yshop-crm through 2.1.3 by implementing additional authorization checks at the API gateway or reverse proxy, or temporarily disabling the endpoint if not essential, and monitor logs for any unauthorized invoice issuance attempts. …
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External POC / Exploit Code
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