EUVD-2026-75870
GHSA-vph9-4c33-66fp
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Description explicitly requires administrator-level authentication to inject the payload, so PR:H is correct; published PR:L overstates exploitability.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
FairSketch Rise CRM Version 3.9.6 is vulnerable to Cross Site Scripting (XSS). An authenticated administrator can inject arbitrary JavaScript into an item's title, which is stored server-side and executed in the browser of any client user who visits the store page, enabling session hijacking, account takeover, and phishing.
AnalysisAI
Stored cross-site scripting in FairSketch Rise CRM 3.9.6 allows an authenticated administrator to inject persistent JavaScript into an item's title field, which executes in the browser of every client user who subsequently visits the affected store page. The scope-changing nature of the attack means a single malicious admin-level injection silently exposes all visiting clients to session hijacking, account takeover, and phishing without any per-victim interaction beyond a routine page visit. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two sequential conditions: first, the attacker must control an authenticated administrator account on FairSketch Rise CRM 3.9.6 (high-privilege access to the item management feature); second, at least one client-user must visit the store page where the poisoned item is rendered (UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The published CVSS base score of 5.4 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) places this in the medium tier, and the EPSS of 0.28% (21st percentile) reflects minimal observed exploitation activity at time of analysis. … 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 | No vendor-released patch has been identified at time of analysis - no fixed version is cited in any available reference. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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