EUVD-2026-70574
GHSA-xw7f-v826-83x3
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Unauthenticated network endpoint with no complexity barriers causes full availability loss; no confidentiality or integrity impact applies.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Denial of Service Attack in MalCare Security <= 6.69 versions.
AnalysisAI
Unauthenticated denial of service in MalCare Security WordPress plugin versions 6.69 and earlier allows any remote attacker with no credentials to exhaust server resources and take down affected WordPress sites. The vulnerability, rooted in CWE-770 (resource allocation without throttling), exposes a network-accessible plugin endpoint that can be abused to render the site unavailable. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions beyond network access to a WordPress site running MalCare Security <= 6.69 - the CVSS vector AV:N/AC:L/PR:N/UI:N/S:U confirms fully unauthenticated remote exploitation against default plugin configurations. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 score is appropriate for an unauthenticated network-reachable DoS: the AV:N/AC:L/PR:N/UI:N vector confirms trivial remote exploitation with no authentication, low complexity, and no required user interaction, though the S:U scope and A:H-only impact (no confidentiality or integrity loss) correctly cap it below critical. … 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 MalCare Security to the version released after 6.69 per the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/malcare-security/vulnerability/wordpress-malcare-security-plugin-6-69-denial-of-service-attack-vulnerability). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, disable the MalCare Security plugin or implement Web Application Firewall rate-limiting rules to restrict access to the vulnerable endpoint. …
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