Medium severity · published Oct 29, 2024
CVE-2024-50348
InstantCMS has a Cross Site Scripting Vulnerability
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
InstantCMS is a free and open source content management system. In photo upload function in the photo album page there is no input validation taking place. Due to this attackers are able to inject the XSS (Cross Site Scripting) payload and execute. This vulnerability is fixed in 2.16.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IC
icms2 · instantsoft
< 2.16.3 · source: vendor, CISA
IN
Instantcms · Instantcms
before 2.16.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-50348
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-50348
Patch
https://github.com/instantsoft/icms2/commit/e02de2fa1850bb40c9b2050b9256c838a0ea7aa3
Exploit
https://github.com/instantsoft/icms2/security/advisories/GHSA-f6cf-jg84-fw29
More from icms2
7.2
CVE-2025-59055
InstantCMS vulnerable to Server-Side Request Forgery via package installer
7.2
CVE-2024-31212
SQL injection in index_chart_data action
7.1
CVE-2026-28281
InstantCMS has Multiple CSRF Vulnerabilities
5.5
CVE-2026-54611
InstantCMS has Remote Code Execution in package installer
5.4
CVE-2024-31213
InstantCMS Open Redirect vulnerability