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CVE-2024-27083

18
FAUCET Score

CVE-2024-27083 is a Cross-Site Scripting (XSS) vulnerability in Flask-AppBuilder, affecting versions 4.1.4 through 4.2.0. An attacker can exploit this by tricking a user into visiting a specially crafted OAuth login URL, leading to the execution of malicious JavaScript in the user's browser. Rated Medium severity (CVSS 6.1), it requires user interaction and could result in limited confidentiality and integrity impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.1.4, < 4.2.1CPE matchmatch criteria
cpe:2.3:a:dpgaspar:flask-appbuilder:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 46th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: Flask-AppBuilderFixed in: 4.2.1

Vendor Advisories (1)

pipGHSA-fqxj-46wg-9v84medium

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

Feb 28, 2024

References

github.com / dpgaspar/Flask-AppBuilder/commit/3d17741886e4b3c384d0570de69689e4117aa812
Patch
github.com / dpgaspar/Flask-AppBuilder/security/advisories/GHSA-fqxj-46wg-9v84
Vendor Advisory