EUVD-2026-66198
GHSA-qh47-px62-gxrg
Severity by source
AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N
Network-reachable Drupal module requiring admin privileges and active user interaction; C:H and I:H reflect potential survey data exposure and manipulation, with no availability impact documented.
Primary rating from Vendor (drupal).
CVSS VectorVendor: drupal
Lifecycle Timeline
3DescriptionCVE.org
Vulnerability in Drupal Powerful Surveys. This issue affects Powerful Surveys versions: *.*.
AnalysisAI
Improper input validation in the Powerful Surveys contributed module for Drupal exposes all published versions to confidentiality and integrity compromise under a constrained set of conditions requiring high privileges and user interaction. The flaw, classified under CWE-20, allows a high-privileged authenticated attacker - under high-complexity conditions with mandatory user interaction - to bypass input validation controls and potentially disclose or manipulate survey data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated Drupal user with high-level privileges (PR:H per CVSS vector), consistent with administrator or similarly elevated role access to the Powerful Surveys module. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS score of 5.7 (Medium) accurately reflects the compounding mitigating factors in the vector: AC:H, PR:H, and UI:R together substantially raise the exploitation bar despite C:H and I:H impact ratings. … 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 | Apply the update referenced in the Drupal security advisory at https://www.drupal.org/sa-contrib-2026-092, which is the primary and authoritative remediation path. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-20 – Improper Input Validation
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External POC / Exploit Code
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