Shanghai Lingdang Information Technology Lingdang CRM yunzhijiaApi.php delete_user sql injection
A vulnerability classified as critical was found in Shanghai Lingdang Information Technology Lingdang CRM up to 8.6.4.7. Affected by this vulnerability is the function delete_user of the file crm/WeiXinApp/yunzhijia/yunzhijiaApi.php. The manipulation of the argument function leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 8.6.5.2 is able to address this issue. It is recommended to upgrade the affected component.
- Published
- Jul 30, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 22th percentile
- CWE
- CWE-74
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
8
Monitor
Low priority for now.
- CVSS
- 8 / 40 · 2.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VulDB
- 5.3
- NVD has not scored this yet; the score shown is the CNA’s.
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:P
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| 51mis | lingdang crm | cpe:2.3:a:51mis:lingdang_crm |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- 51mis lingdang crmbefore 8.6.5.2
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
Shanghai Lingdang Information Technology Lingdang CRM
- 8.6.5.2not affected
- 8.6.4.0, 8.6.4.1, 8.6.4.2, 8.6.4.3, 8.6.4.4, 8.6.4.5, 8.6.4.6, 8.6.4.7affected
Same product
51mis: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-5005Shanghai Lingdang Information Technology Lingdang CRM index_event.php server-side request forgery22Monitor
- CVE-2025-8219Shanghai Lingdang Information Technology Lingdang CRM HTTP POST Request tabdetail_moduleSave_dxkp.php sql injection21Monitor
- CVE-2025-0463Shanghai Lingdang Information Technology Lingdang CRM index.php unrestricted upload21Monitor
- CVE-2025-0462Shanghai Lingdang Information Technology Lingdang CRM index.php sql injection21Monitor
- CVE-2025-0461Shanghai Lingdang Information Technology Lingdang CRM index.php path traversal21Monitor
- CVE-2024-11123上海灵当信息科技有限公司 Lingdang CRM pdf.php path traversal21Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Shanghai Lingdang Information Technology Lingdang CRM | 8.6.5.2 · description | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- paatiw (VulDB User)reporter
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2025-82194 days apartShanghai Lingdang Information Technology Lingdang CRM HTTP POST Request tabdetail_moduleSave_dxkp.php sql injection21Monitor
- CVE-2025-0462197 days apartShanghai Lingdang Information Technology Lingdang CRM index.php sql injection21Monitor
- CVE-2024-11121260 days apart上海灵当信息科技有限公司 Lingdang CRM index.php sql injection21Monitor
- CVE-2025-890814 days apartShanghai Lingdang Information Technology Lingdang CRM event.php sql injection8Monitor
- CVE-2025-914020 days apartShanghai Lingdang Information Technology Lingdang CRM tabdetail_moduleSave.php sql injection8Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')CVSS vector
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:P/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
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Server Side Include (SSI) InjectionCAPEC-101likelihood: High · High
- HTTP Request SplittingCAPEC-105likelihood: Medium · High
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Double EncodingCAPEC-120likelihood: Low · Medium
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
- Format String InjectionCAPEC-135likelihood: High · High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- github.com/jackyliu666/blob01/blob/main/README.md
- vuldb.com/?ctiid.318295
- vuldb.com/?id.318295
- vuldb.com/?submit.617844
Vendor advisories and official records. Exploit/PoC links are deliberately left out.