# CVE-2026-82842: miniorange SAML Single Sign On privilege escalation via account matching

Source: https://junglewise.ai/threats/cve-2026-82842-the-saml-single-sign-on-wordpress-plugin-before-6-0-0-does-not  
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-2026-82842 · Severity: high · CVSS 8.1 · Published 2026-09-20

The SAML Single Sign On WordPress plugin improperly verifies identity linkage during single sign-on authentication, ignoring configured matching criteria and always matching by login name. An attacker with control over an identity provider can assert any login name and gain unauthorized access to any WordPress account, including administrator accounts, without credential verification.

Vendors: [miniOrange](https://junglewise.ai/threats/vendors/miniorange).

## Quick answers

**Is CVE-2026-82842 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-82842 being exploited in the wild.

**How severe is CVE-2026-82842?** High severity, with a CVSS score of 8.1, published 20 September 2026.

**Which products and versions are affected?** miniOrange SAML Single Sign On before 6.0.0.

**Is there a fix for CVE-2026-82842?** A patch was published on 2026-09-20: Fixed in version 6.0.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-82842 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-82842?** Check whether you run miniOrange SAML Single Sign On 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 fails to honour the configured criterion for linking incoming SSO identities to WordPress accounts, always resolving by login name regardless of configuration. An attacker controlling the identity provider can assert arbitrary login names to authenticate as any user without ownership verification. This is an authentication bypass allowing unauthenticated privilege escalation when the attacker has IdP control.

## Affected products

- miniorange SAML Single Sign On before 6.0.0

## Timeline

- 2026-09-18: disclosed
- 2026-09-20: patched: Fixed in version 6.0.0

## References

- [https://wpscan.com/vulnerability/4ae66b2c-a0de-405f-baca-127302257540/](https://wpscan.com/vulnerability/4ae66b2c-a0de-405f-baca-127302257540/)