Skip to main content

Leyka CVE-2026-66677

| EUVDEUVD-2026-63305 HIGH
Authentication Bypass Using an Alternate Path or Channel (CWE-288)
2026-08-20 Patchstack GHSA-96rh-xvcc-h6fr
7.6
CVSS 3.1 · Vendor: Patchstack
Share

Severity by source

Vendor (Patchstack) PRIMARY
7.6 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
vuln.today AI
7.6 HIGH

PR:L confirmed by subscriber-account prerequisite; C:H reflects information disclosure of sensitive donation data; no scope change since impact is contained to the plugin's own data.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Aug 20, 2026 - 12:45 vuln.today
CVE Published
Aug 20, 2026 - 12:07 cve.org
HIGH 7.6

DescriptionCVE.org

Subscriber Broken Authentication in Leyka <= 3.32.3 versions.

AnalysisAI

Broken authentication in the Leyka WordPress donation plugin (versions <= 3.32.3) allows subscriber-level authenticated users to bypass access controls and access privileged functionality. The flaw is classified under CWE-288, indicating an alternate path or channel circumvents the plugin's authentication checks rather than defeating credentials directly. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires a subscriber-level (or higher) WordPress account on the target installation - this is reflected in the CVSS PR:L metric. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.6 High score is driven by network accessibility (AV:N), low attack complexity (AC:L), and high confidentiality impact (C:H), which are credible for a broken authentication flaw in a web plugin. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the Leyka plugin to a version beyond 3.32.3 as directed by the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/leyka/vulnerability/wordpress-leyka-plugin-3-32-3-broken-authentication-vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all WordPress installations running Leyka plugin version 3.32.3 or earlier and immediately disable the plugin, implementing temporary manual donation workflows to maintain operations. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

Share

CVE-2026-66677 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy