CVE-2023-4649
MediumCVSS 5.4Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
Session Fixation vulnerability in GitHub repository instantsoft/icms2 prior to version 2.16.1.
Risk Assessment
An attacker could hijack a user's session, leading to unauthorized access to application data and functions.
Recommendation
It is recommended to upgrade to version 2.16.1 or later to mitigate this vulnerability.
Other vulnerabilities in instantsoft/icms2
See all- CVE-2023-4188Critical
There is a SQL Injection vulnerability in the GitHub repository instantsoft/icms2 prior to version 2.16.1-git.
- CVE-2026-108568Medium
A vulnerability was determined in InstantSoft icms2 up to 2.18.2, affecting the validatePaypalOrder function in system/controllers/billing/actions/paypal.php of the Billing Module component. Manipulation of the bid/sig arguments leads to insufficient verification of data authenticity. The attack can be launched remotely and the exploit has been publicly disclosed.
- CVE-2026-108567Medium
A vulnerability was found in InstantSoft icms2 up to 2.18.2, impacting the files_delete_file function in system/fields/image.php of the Image Handler component. Manipulation of the size argument results in path traversal. The attack can be initiated remotely and the exploit is publicly available. The patch is named 03d70937f1ff97031523222808726994b8b79379.
- CVE-2023-4704Medium
In the GitHub repository instantsoft/icms2 prior to version 2.16.1-git, there is an external control of system or configuration settings.
- CVE-2023-4655Medium
The GitHub repository instantsoft/icms2 prior to version 2.16.1 has a reflected Cross-site Scripting (XSS) vulnerability.
- CVE-2023-4654Low
In the GitHub repository instantsoft/icms2 prior to version 2.16.1, there is a vulnerability related to a sensitive cookie in an HTTPS session that lacks the 'Secure' attribute.
- CVE-2023-4651Medium
There is a Server-Side Request Forgery (SSRF) vulnerability in the GitHub repository instantsoft/icms2 prior to version 2.16.1. This may lead to unauthorized access to internal server resources.
- CVE-2023-4189Medium
A Cross-site Scripting (XSS) vulnerability is reflected in the GitHub repository instantsoft/icms2 prior to version 2.16.1-git.
- CVE-2023-4187Medium
A Cross-site Scripting (XSS) vulnerability exists in the GitHub repository instantsoft/icms2 prior to version 2.16.1-git, allowing attackers to inject malicious code into the application.
Original NVD description (English source)
Session Fixation in GitHub repository instantsoft/icms2 prior to 2.16.1.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

