# CVE-2026-42731: miniOrange OTP Verification privilege escalation

Source: https://junglewise.ai/threats/cve-2026-42731-miniorange-otp-verification-privilege-escalation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-27. Updated: 2026-05-27  
License: CC BY 4.0 with a link back

CVE-2026-42731 · Severity: critical · CVSS 9.8 · Published 2026-05-27

The miniOrange OTP Verification plugin for WordPress, which provides one-time password security for logins and forms, contains a critical flaw in how it manages user permissions. An unauthorized attacker can exploit this weakness to gain administrative control over the website. This could lead to full site takeover, theft of customer data, or the installation of malicious software.

Technologies: [miniOrange OTP Verification](https://junglewise.ai/threats/technologies/otp-verification). Vendors: [miniOrange](https://junglewise.ai/threats/vendors/miniorange).

## Quick answers

**Is CVE-2026-42731 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-42731 being exploited in the wild.

**How severe is CVE-2026-42731?** Critical severity, with a CVSS score of 9.8, published 27 May 2026.

**Which products and versions are affected?** miniOrange OTP Verification <= 5.4.9.

**Is there a fix for CVE-2026-42731?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-42731 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-42731?** Check whether you run miniOrange OTP Verification 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

An Incorrect Privilege Assignment vulnerability (CWE-266) exists in the miniOrange OTP Verification plugin for WordPress through version 5.4.9. The flaw allows an unauthenticated remote attacker to escalate their privileges, potentially gaining administrative access to the WordPress site. The vulnerability stems from improper validation or assignment of user roles during the authentication or verification process. With a CVSS score of 9.8, the exploit requires no user interaction and can be executed over the network with low complexity. Users are advised to update to version 5.5.0 or later to remediate the issue.

## Affected products

- miniOrange OTP Verification <= 5.4.9

## Timeline

- 2026-04-24: other: Reported by Peng Zhou
- 2026-05-24: advisory: Patchstack advisory published
- 2026-05-27: disclosed: CVE published to NVD

## References

- [https://patchstack.com/database/Wordpress/Plugin/miniorange-otp-verification/vulnerability/wordpress-miniorange-otp-verification-plugin-5-4-9-privilege-escalation-vulnerability?_s_id=cve](https://patchstack.com/database/Wordpress/Plugin/miniorange-otp-verification/vulnerability/wordpress-miniorange-otp-verification-plugin-5-4-9-privilege-escalation-vulnerability?_s_id=cve)

## Related threats

- [miniOrange OTP Verification privilege escalation](https://junglewise.ai/threats/cve-2026-106610-incorrect-privilege-assignment-vulnerability-in-miniorange)
- [miniOrange OTP Verification unauthenticated XSS](https://junglewise.ai/threats/cve-2026-61957-miniorange-otp-verification-unauthenticated-xss)