🛡️ CVE-2025-0660 — concrete-cms

🟡 CVSS 4.8 — Medium ✅ No Known Exploit CWE-20 NVD
4.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

Concrete CMS versions 9.0.0 through 9.3.9 are affected by a stored XSS in Folder Function.The "Add Folder" functionality lacks input sanitization, allowing a rogue admin to inject XSS payloads as folder names.  The Concrete CMS security team gave this vulnerability a CVSS 4.0 Score of 4.8 with vector: 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. Versions below 9 are not affected. Thanks, Alfin Joseph for reporting.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2025-0660 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2025-0660 is recorded against 2 packages.

  • concrete-cms (from 9.0 up to 9.4.0)
  • concrete5/concrete5 (fixed in 9.4.0RC1)

Timeline and source

Published on 10 March 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

documentation.concretecms.org
github.com
github.com

Details

Severity MEDIUM
CVSS Score 4.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2025-03-10
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
concrete-cms 9.0 9.4.0
concrete5/concrete5 — 9.4.0RC1

Similar Threats

Vulnerability Monitoring

Track new vulnerabilities in concrete-cms

CVE-2025-0660 is rated CVSS 4.8 Medium. BotEraser monitors your WordPress installation and notifies you when software you use appears in our vulnerability database.

Set Up Free Alerts →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.