CVE-2023-26290 Cross-site scripting in Cloud Security Gateway (CSG)
Reflected XSS in Forcepoint Cloud Security Gateway and Web Security portals allows attackers to execute scripts in user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-26290?
CVE-2023-26290 is a medium-severity cross-site scripting vulnerability in Forcepoint Cloud Security Gateway (CSG), published on 29 Mar 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Forcepoint Cloud Security Gateway (CSG) Portal on Web Cloud Security Gateway, Email Security Cloud (login_reset_request.mhtml modules), Forcepoint Web Security Portal on Hybrid (login_reset_request.mhtml modules) allows Reflected XSS.This issue affects Cloud Security Gateway (CSG): before 03/29/2023; Web Security: before 03/29/2023.
Weakness: CWE-79
Which versions are affected by CVE-2023-26290?
It affects 2 products.
Products include Forcepoint Cloud Security Gateway, Forcepoint Web Security.
How do I fix CVE-2023-26290?
No fix has been published for CVE-2023-26290 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-2023-26290 being exploited?
There is no known exploitation of CVE-2023-26290 in the wild and no public exploit code.
Other vulnerabilities in Forcepoint Cloud Security Gateway (CSG)
Sources
Also known as GHSA-xx7j-rqjq-33gm.