EUVD-2026-62265
GHSA-cpph-75q5-7vr9
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Contributor is a low-privilege WordPress role (PR:L), not high; integrity impact is limited to quiz text modification only, no confidentiality or availability impact.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
4DescriptionCVE.org
The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check before saving a quiz's front-end text settings, allowing users with contributor-level access and above to modify the text settings of quizzes created by other users.
AnalysisAI
Improper per-object authorization in the Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 permits any contributor-level (or higher) authenticated user to overwrite the front-end text settings of quizzes owned by other users. The flaw stems from a missing ownership check on the save action for quiz front-end text settings, meaning a contributor on a multi-author site can silently tamper with quiz content they did not create. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid WordPress account with at minimum contributor-level role on the target site. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The official NVD CVSS 3.1 score is 2.7 (Low), with vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N. … 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 | The primary remediation is to upgrade the QSM plugin to version 11.2.4 or later, which introduces per-object ownership verification before processing front-end text setting saves. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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