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CVE Vulnerability Details :
CVE-2026-3244
PUBLISHED
More InfoOfficial Page
Assigner-ConcreteCMS
Assigner Org ID-ff5b8ace-8b95-4078-9743-eac1ca5451de
View Known Exploited Vulnerability (KEV) details
Published At-04 Mar, 2026 | 01:55
Updated At-04 Mar, 2026 | 15:50
Rejected At-
▼CVE Numbering Authority (CNA)
Concrete CMS below version 9.4.8 is vulnerable to Stored XSS in Search Results via Page Names

In Concrete CMS below version 9.4.8, A stored cross-site scripting (XSS) vulnerability exists in the search block where page names and content are rendered without proper HTML encoding in search results. This allows authenticated, rogue administrators to inject malicious JavaScript through page names that executes when users search for and view those pages in search results. 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 zolpak for reporting

Affected Products
Vendor
Concrete CMS
Product
Concrete CMS
Collection URL
https://github.com/concretecms/concretecms
Repo
https://github.com/concretecms/concretecms
Platforms
  • git
Default Status
unaffected
Versions
Affected
  • From 5 before 9.4.8 (git)
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
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
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-592CAPEC-592 Stored XSS
CAPEC ID: CAPEC-592
Description: CAPEC-592 Stored XSS
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
zolpak
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/concretecms/concretecms/pull/12826
N/A
https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
N/A
Hyperlink: https://github.com/concretecms/concretecms/pull/12826
Resource: N/A
Hyperlink: https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found