# CVE-2026-16542: Import and export users and customers Server-Side Request Forgery

Source: https://junglewise.ai/threats/cve-2026-16542-the-import-and-export-users-and-customers-wordpress-plugin-before  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-20. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-16542 · Severity: medium · CVSS 4.1 · Published 2026-09-20

A WordPress plugin used to import and export user data fails to validate URLs provided during CSV import operations. High-privileged administrators can exploit this to make the server send requests to internal systems, potentially accessing sensitive internal services or data that should not be exposed.

Technologies: [Import and export users and customers](https://junglewise.ai/threats/technologies/x-import-and-export-users-and-customers).

## Quick answers

**Is CVE-2026-16542 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-16542 being exploited in the wild.

**How severe is CVE-2026-16542?** Medium severity, with a CVSS score of 4.1, published 20 September 2026.

**Which products and versions are affected?** Import and export users and customers before 2.4.5.

**Is there a fix for CVE-2026-16542?** A patch was published on 2026-09-18: Fixed in version 2.4.5 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-16542 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-16542?** Check whether you run Import and export users and customers at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The plugin does not validate user-supplied URLs before fetching them server-side during CSV import, enabling Server-Side Request Forgery (SSRF) attacks. The vulnerability affects the bp_avatar parameter and requires administrator-level privileges to exploit. The vulnerability is patched in version 2.4.5.

## Affected products

- Import and export users and customers before 2.4.5

## Timeline

- 2026-09-18: disclosed
- 2026-09-18: patched: Fixed in version 2.4.5

## References

- [https://wpscan.com/vulnerability/f57577b2-3031-433a-a3e1-758d12b244d1/](https://wpscan.com/vulnerability/f57577b2-3031-433a-a3e1-758d12b244d1/)

## Related threats

- [Import and export users and customers privilege escalation](https://junglewise.ai/threats/cve-2026-104757-editor-privilege-escalation-in-import-and-export-users-and)
- [Import and export users and customers privilege escalation](https://junglewise.ai/threats/cve-2026-94178-subscriber-privilege-escalation-in-import-and-export-users-and)
