SAML Single Sign On – SSO Login vulnerabilities
Plugin slug miniorange-saml-20-single-sign-on · 14 known vulnerabilities · latest disclosed 2026-11-02 · WordPress.org page
Every listed vulnerability has a fix. Version 20.0.7 or later is not affected by any of them. If your site runs an older version, update it.
8 of 14 rated high or critical (CVSS 7 or more).
Known vulnerabilities in SAML Single Sign On – SSO Login
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.5 | <= 6.1.0 | 6.2.0 | CVE-2026-62126 | 2026-11-02 | Advisory |
| High 7.3 | <= 5.4.7 | 6.0.0 | CVE-2026-82842 | 2026-09-18 | Advisory |
| High 7.5 | <= 5.4.6 | 5.4.7 | CVE-2026-75807 | 2026-08-29 | Advisory |
| High 7.3 | 4.8.85 to 5.4.6 | 5.4.7 | CVE-2026-19842 | 2026-08-19 | Advisory |
| Critical 9.8 | <= 5.4.3 | 5.4.4 | CVE-2026-61979 | 2026-08-13 | Advisory |
| Critical 9.8 | <= 5.4.4 | 5.4.5 | CVE-2026-15981 | 2026-07-23 | Advisory |
| Critical 9.8 | <= 5.4.3 | 5.4.4 | CVE-2026-15013 | 2026-07-15 | Advisory |
| Medium 6.1 | 16 to 16.0.8 | 16.0.8 | CVE-2022-4496 | 2023-01-06 | Advisory |
| Medium 6.1 | 12 to 12.1.0 | 12.1.0 | CVE-2022-4496 | 2023-01-06 | Advisory |
| Medium 6.1 | 20 to 20.0.7 | 20.0.7 | CVE-2022-4496 | 2023-01-06 | Advisory |
| Medium 6.1 | <= 4.9.20 | 4.9.21 | none | 2022-06-06 | Advisory |
| Medium 6.1 | <= 4.8.83 | 4.8.84 | CVE-2020-6850 | 2020-01-28 | Advisory |
| Medium 6.1 | < 4.8.73 | 4.8.73 | CVE-2019-12346 | 2019-05-27 | Advisory |
| High 8.8 | <= 4.8.75 | 4.8.76 | none | 2019-05-20 | Advisory |
Check if a site is affected
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Questions
Is the SAML Single Sign On – SSO Login plugin safe to use?
All 14 known issues are fixed in current versions (20.0.7 or later). Keeping it updated is what matters.
How do I check which version of SAML Single Sign On – SSO Login my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.