CVE-2023-4652 Cross-site Scripting (XSS) - Stored in instantsoft/icms2
Stored Cross-Site Scripting in InstantCMS allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-4652?
CVE-2023-4652 is a medium-severity cross-site scripting vulnerability in instantsoft/icms2, published on 31 Aug 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site Scripting (XSS) - Stored in GitHub repository instantsoft/icms2 prior to 2.16.1-git.
Weakness: CWE-79
Which versions are affected by CVE-2023-4652?
It affects 1 product.
Products include Instantcms Instantcms.
How do I fix CVE-2023-4652?
No fix has been published for CVE-2023-4652 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-4652 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4652 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-2024-31212 SQL injection in index_chart_data action
Sources
Also known as GHSA-pwh6-38cc-87qf.