CVE-2026-3240

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Source
https://cve.org/CVERecord?id=CVE-2026-3240
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3240.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-3240
Aliases
Published
2026-03-04T03:16:04.940Z
Modified
2026-04-10T05:42:23.584161Z
Severity
  • 4.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Thanks minhnn42, namdi and quanlna2 from VCSLab-Viettel Cyber Security for reporting.

References

Affected packages

Git / github.com/concretecms/concretecms

Affected ranges

Type
GIT
Repo
https://github.com/concretecms/concretecms
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
455229307c0cb421fa6ef7e9aa9f74f0863c4788
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "9.4.8"
        }
    ]
}

Affected versions

5.*
5.7.0
5.7.0.1
5.7.0.3
5.7.0.4
5.7.1
5.7.2
5.7.2.1
5.7.3
5.7.3.1
5.7.4.1
5.7.5.2
5.7.5.5
5.7.5.6
5.7.5.7
8.*
8.1.0
8.2.0
8.2.0RC2
8.2.1
8.3.1
8.4.1
9.*
9.3.0
9.3.1
9.3.2
9.3.3
9.3.4
9.3.5
9.3.6
9.3.7
9.4.0
9.4.0RC1
9.4.0RC2
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3240.json"