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CVE-2023-37611

17
FAUCET Score

CVE-2023-37611 describes a Cross-Site Scripting (XSS) vulnerability in Neos CMS version 8.3.3. This flaw allows a remote, authenticated attacker to execute arbitrary code by uploading a specially crafted SVG file to the neos/management/media component. The vulnerability has a CVSS score of 5.4 (MEDIUM), indicating a low attack complexity and requiring user interaction, with potential impacts on confidentiality and integrity. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.3.3CPE matchmatch criteria
cpe:2.3:a:neos:neos_cms:8.3.3:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 78th percentile among its peer group of 15,225 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (5)

composerpatch availablevia ghsa
Product: neos/media-browserFixed in: 7.3.19
composerpatch availablevia ghsa
Product: neos/media-browserFixed in: 8.0.16
composerpatch availablevia ghsa
Product: neos/media-browserFixed in: 8.1.11
composerpatch availablevia ghsa
Product: neos/media-browserFixed in: 8.2.11
composerpatch availablevia ghsa
Product: neos/media-browserFixed in: 8.3.9

Vendor Advisories (1)

composerGHSA-6qjf-7g3j-qx25medium

Neos CMS Cross Site Scripting vulnerability

Sep 19, 2023

References

github.com / neos/neos-development-collection/pull/4812
rodelllemit.medium.com / stored-xss-in-neo-cms-8-3-3-9bd1cb973c5b
Exploit