CVE-2023-4649 Session Fixation in instantsoft/icms2
Medium 4.3
Published
Updated
Check this codebase for CVE-2023-4649 and fix it if it is affected.
What it is: CVE-2023-4649 is a medium-severity vulnerability in instantsoft/icms2, published on 31 Aug 2023.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4649 exists.
Affected product: instantsoft/icms2. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2023-4649/ (Markdown: https://insights.sbomify.com/CVE-2023-4649/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2023-4649?
CVE-2023-4649 is a medium-severity vulnerability in instantsoft/icms2, published on 31 Aug 2023.
Official description
Session Fixation in GitHub repository instantsoft/icms2 prior to 2.16.1.
Weakness: CWE-384
Which versions are affected by CVE-2023-4649?
It affects 1 product.
Products include Instantcms Instantcms.
How do I fix CVE-2023-4649?
No fix has been published for CVE-2023-4649 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-4649 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4649 exists.
Other vulnerabilities in instantsoft/icms2
- CVE-2023-4188 SQL Injection in instantsoft/icms2
- CVE-2013-10051 InstantCMS <= 1.6 Remote PHP Code Execution
- CVE-2023-4704 External Control of System or Configuration Setting in instantsoft/icms2
- CVE-2026-28281 InstantCMS has Multiple CSRF Vulnerabilities
- CVE-2023-4652 Cross-site Scripting (XSS) - Stored in instantsoft/icms2
Sources
Also known as GHSA-v6v4-5w5j-fcq8.