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QA Analytics CVE-2026-27544

| EUVDEUVD-2026-57939 CRITICAL
Code Injection (CWE-94)
2026-08-13 Patchstack GHSA-fv8g-mjfh-5j9v
10.0
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
10.0 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
vuln.today AI
9.8 CRITICAL

Remote unauthenticated code injection with no interaction gives AV:N/AC:L/PR:N/UI:N and full C/I/A impact; code executes within the web app context so I assess S:U rather than the reported S:C.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

Lifecycle Timeline

2
Analysis Generated
Aug 13, 2026 - 15:02 vuln.today
CVE Published
Aug 13, 2026 - 13:36 cve.org
CRITICAL 10.0

DescriptionCVE.org

Unauthenticated Remote Code Execution (RCE) in QA Analytics <= 5.2.0.0 versions.

AnalysisAI

Remote code execution in the QA Analytics (QA Heatmap Analytics) WordPress plugin through version 5.2.0.0 lets unauthenticated attackers inject and execute arbitrary code on the hosting server, per a Patchstack advisory. The flaw is a CWE-94 code injection carrying a maximum CVSS 10.0 rating with a network attack vector requiring no privileges or user interaction. …

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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 The only prerequisite is that a target WordPress site has the QA Heatmap Analytics plugin (version ≤ 5.2.0.0) installed and activated and is reachable over the network; the CVSS vector AV:N/AC:L/PR:N/UI:N indicates no authentication, no user interaction, and no special configuration are required, so this is remote unauthenticated exploitation against default installations of the plugin. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Every hard signal points to maximum severity: the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) describes remote, unauthenticated, low-complexity exploitation with high confidentiality, integrity, and availability impact and a scope change, yielding the ceiling score of 10.0. … 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 QA Heatmap Analytics plugin to a version later than 5.2.0.0 as published on the Patchstack advisory and the WordPress plugin repository; an exact fixed version number is not provided in the available data, so confirm the patched release directly against the vendor/Patchstack listing (https://patchstack.com/database/wordpress/plugin/qa-heatmap-analytics/vulnerability/wordpress-qa-analytics-plugin-5-2-0-0-remote-code-execution-rce-vulnerability) before deploying. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all WordPress installations to identify those running QA Analytics plugin version 5.2.0.0 or earlier. …

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CVE-2026-27544 vulnerability details – vuln.today

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