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Frappe Framework EUVDEUVD-2026-38805

| CVE-2026-50709 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-06-24 Fluid Attacks GHSA-fhqq-8vpv-ppw5
XSS Frappe Framework
4.8
CVSS 4.0 · Vendor: Fluid Attacks
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Severity by source

Vendor (Fluid Attacks) PRIMARY
4.8 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
5.4 MEDIUM

Network-exploitable stored XSS with scope change affecting victim users; PR:L for required attacker authentication; UI:R for victim panel visit; no availability impact.

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

Primary rating from Vendor (Fluid Attacks).

CVSS VectorVendor: Fluid Attacks

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
A
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jun 24, 2026 - 15:53 vuln.today

DescriptionCVE.org

A Stored Cross-Site Scripting (XSS) vulnerability exists in Frappe Framework version 17.0.0-dev due to improper neutralization of user-controlled input in the Notifications > Events panel.

AnalysisAI

Stored Cross-Site Scripting in Frappe Framework 17.0.0-dev allows an authenticated low-privileged user to inject persistent JavaScript payloads via the Notifications > Events panel, which execute in the browser context of any user who subsequently views that panel. The CVSS 4.0 vector confirms subsequent-system scope impact (SC:L/SI:L), meaning the attack targets other users rather than the attacker's own session. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as low-privilege Frappe user
Delivery
Navigate to Notifications > Events panel
Exploit
Inject JavaScript payload into unsanitized event field
Execution
Victim admin views affected Notifications panel
Persist
Stored payload executes in victim browser
Impact
Exfiltrate session token or perform actions as victim
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid authenticated Frappe session with at least low-privilege access (PR:L per CVSS vector) - unauthenticated attackers cannot inject payloads. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 4.8 reflects medium severity, bounded primarily by PR:L (authenticated attacker required) and UI:A (victim must actively visit the affected panel). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with a valid low-privilege Frappe account navigates to the Notifications > Events panel and creates a new event entry embedding a JavaScript payload in an unsanitized field. When a victim - such as a system administrator - views the Notifications panel, the stored payload executes silently in their browser, potentially exfiltrating their session cookie or Frappe authentication token to an attacker-controlled endpoint. …
Remediation No exact patched version number is confirmed in the available data, so a precise upgrade target cannot be stated. … 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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EUVD-2026-38805 vulnerability details – vuln.today
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