CVE-2026-84777
Deferred Deferred - Pending Action

Unauthenticated Broken Authentication in Really Simple SSL

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: Patchstack

Description
Unauthenticated Broken Authentication in Really Simple SSL <= 9.8.0 versions.

CVSS Scores

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Meta Information

Published
2026-09-03
Last Modified
2026-09-03
Generated
2026-09-03
AI Q&A
2026-09-03
EPSS Evaluated
N/A
NVD
CVE-2026-84777
EUVD
EUVD-2026-70573

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
really_simple_ssl really_simple_ssl to 9.8.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.

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Executive Summary

This vulnerability is an unauthenticated broken authentication issue in Really Simple SSL plugin versions 9.8.0 and below. It allows attackers to bypass authentication mechanisms without valid credentials.

Detection Guidance

To detect this vulnerability, check the installed version of the Really Simple SSL plugin. If it is 9.8.0 or lower, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin directory for version details.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive data or plugin functions. The CVSS score of 7.4 indicates high impact on confidentiality and integrity.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating GDPR (data protection) and HIPAA (health data security) requirements. Non-compliance risks fines and legal consequences.

Mitigation Strategies

Update Really Simple SSL to the latest version beyond 9.8.0 to patch the broken authentication vulnerability. Disable the plugin temporarily if an update is not immediately available.

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