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CVE-2024-45399

18
FAUCET Score

CVE-2024-45399 is a Cross-Site Scripting (XSS) vulnerability found in Indico, an event management system, specifically affecting versions prior to 3.3.4, due to an outdated Flask-Multipass dependency. This flaw occurs during account creation when redirecting to a maliciously crafted 'next' URL, impacting newly created and unprivileged Indico users. The vulnerability has a CVSS score of 6.1 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to limited confidentiality and integrity impacts. There is no evidence of active exploitation, and no public exploit code or significant community discussion has been observed.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.3.4CPE matchmatch criteria
cpe:2.3:a:cern:indico:*:*:*:*:*:*:*:*

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:N/I:L/A:N

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

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 29th percentile among its peer group of 26,234 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: indicoFixed in: 3.3.4

Vendor Advisories (1)

pipGHSA-rrqf-w74j-24ffmedium

Indico has a Cross-Site-Scripting during account creation

Sep 4, 2024

References

github.com / indico/flask-multipass/commit/0bdcf656d469e5f675cb56fd644d82fea3a97c2a
Patch
github.com / indico/indico/commit/7dcb573837b9fd09d95f74d1baeae225b164cc8f
Patch
github.com / indico/indico/releases/tag/v3.3.4
Release Notes
github.com / indico/indico/security/advisories/GHSA-rrqf-w74j-24ff
Vendor Advisory