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CVE-2025-0660

15
FAUCET Score

CVE-2025-0660 is a stored Cross-Site Scripting (XSS) vulnerability affecting Concrete CMS versions 9.0.0 through 9.3.9, specifically within the "Add Folder" functionality due to insufficient input sanitization. This vulnerability has a CVSS 4.0 score of 4.8 (Medium), indicating it can be exploited remotely by a highly privileged attacker with low attack complexity, potentially leading to limited impact on confidentiality and scope. 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
>= 9.0, < 9.4.0CPE matchmatch criteria
cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*
>= 9.0.0, < 9.4.0CPE match
cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

4.8MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/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
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
VS Confidentiality
LOW
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 25th percentile among its peer group of 4,937 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 (2)

composerpatch availablevia ghsa
Product: concrete5/concrete5Fixed in: 9.4.0RC1
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-pvmx-mjmh-jfcxmedium

Concrete CMS affected by a stored XSS in Folder Function.The "Add Folder" functionality

Mar 10, 2025

References

documentation.concretecms.org / 9-x/developers/introduction/version-history/940-release-notes
Release Notes
github.com / concretecms/bedrock/pull/370
Issue Tracking
github.com / concretecms/concretecms/pull/12454
Issue TrackingPatch