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SAML Single Sign On – SAML SSO Login <= 4.8.75 — Cross-Site Request Forgery

10e49bdd-3a72-4bb7-ba31-21ba4a5b377fPublished · Updated

Action summary

Affected: ≤4.8.75Update to 4.8.76 or newer

All remediation steps
Severity
High8.8
CVSS
8.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:R User interaction
Required
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-352 CSRF
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

SAML Single Sign On – SSO Login miniorange-saml-20-single-sign-on

  1. Affected≤ 4.8.75
  2. Patched in4.8.76

Update to 4.8.76 or newer.

You are affected if you run ≤ 4.8.75. Version 4.8.76 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under SAML Single Sign On – SSO Login.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 4.8.76, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch SAML Single Sign On – SSO Login to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

The SAML Single Sign On plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.8.75. This is due to missing or incorrect nonce validation. This makes it possible for unauthenticated attackers to gain otherwise restricted access to administrative actions via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in SAML Single Sign On – SSO Login

All 13
More vulnerabilities in SAML Single Sign On – SSO Login
SeverityVulnerabilityCVEPublished
High7.5Unauthenticated Denial of Service
≤6.1.0Update to 6.2.0
CVE-2026-62126
High7.3Unauthenticated Privilege Escalation
≤5.4.7Update to 6.0.0
CVE-2026-82842
High7.5Unauthenticated Authentication Bypass via X.509 Certificate Poisoning
≤5.4.6Update to 5.4.7
CVE-2026-75807
High7.3Unauthenticated Privilege Escalation
4.8.85 – 5.4.6Update to 5.4.7
CVE-2026-19842
Critical9.8Unauthenticated Privilege Escalation
≤5.4.3Update to 5.4.4
CVE-2026-61979

Same weakness (CSRF)

All CSRF
Other CSRF vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 8.8

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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