CVE-2024-27083

Flask-AppBuilder's OAuth login page subject to Cross Site Scripting (XSS)

MEDIUM
6.1
CVSS Score
Published: February 28, 2024 at 03:34 PM UTC
Updated: June 17, 2026 at 07:19 AM UTC
1 product affected across 1 vendorFlask-AppBuilder

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

Flask-AppBuilder is an application development framework, built on top of Flask. A Cross-Site Scripting (XSS) vulnerability has been discovered on the OAuth login page. An attacker could trick a user to follow a specially crafted URL to the OAuth login page. This URL could inject and execute malicious javascript code that would get executed on the user's browser. This issue was introduced on 4.1.4 and patched on 4.2.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.2.14.1.4 ≤ v < 4.2.14.1.4
Affected range stops below 4.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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