// For flags

CVE-2024-8661

Stored XSS in the "Next&Previous Nav" block

Severity Score

4.6
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Concrete CMS versions 9.0.0 to 9.3.4 and below 8.5.18 are vulnerable to Stored XSS in the "Next&Previous Nav" block. A rogue administrator could add a malicious payload by executing it in the browsers of targeted users. The Concrete CMS Security Team gave this vulnerability a CVSS v4 score of 4.6 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N  Since the "Next&Previous Nav" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users. Thanks, Chu Quoc Khanh for reporting.

Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.18 are vulnerable to Stored XSS in the "Next&Previous Nav" block. A rogue administrator could add a malicious payload by executing it in the browsers of targeted users. The Concrete CMS Security Team gave this vulnerability a CVSS v4 score of 4.6 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N  Since the "Next&Previous Nav" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users. Thanks, Chu Quoc Khanh for reporting.

*Credits: Chu Quoc Khanh
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
Active
System
Vulnerable | Subsequent
Confidentiality
None
None
Integrity
Low
None
Availability
None
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-09-10 CVE Reserved
  • 2024-09-16 CVE Published
  • 2024-09-17 CVE Updated
  • 2024-09-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
  • CAPEC-592: Stored XSS
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Concrete CMS
Search vendor "Concrete CMS"
 Concrete CMS
Search vendor "Concrete CMS" for product "Concrete CMS"
 >= 9.0.0 < 9.3.4
Search vendor "Concrete CMS" for product "Concrete CMS" and version " >= 9.0.0 < 9.3.4"
en
Affected
Concrete CMS
Search vendor "Concrete CMS"
 Concrete CMS
Search vendor "Concrete CMS" for product "Concrete CMS"
 >= 5.0.0 < 8.5.19
Search vendor "Concrete CMS" for product "Concrete CMS" and version " >= 5.0.0 < 8.5.19"
en
Affected