CVE-2025-63499 Cross-site scripting in n/a
Attackers can inject malicious scripts via the theme parameter in SOGo, potentially leading to session hijacking or code execution.
- 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
- Available
What is CVE-2025-63499?
CVE-2025-63499 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Dec 2025. 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
Alinto Sogo 5.12.3 is vulnerable to Cross Site Scripting (XSS) via the theme parameter.
Weakness: CWE-79
Which versions are affected by CVE-2025-63499?
It affects 1 product.
Products include Alinto Sogo.
How do I fix CVE-2025-63499?
Upgrade to a fixed version.
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-2025-63499 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63499 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2015-5395 Cross-site request forgery in n/a
- CVE-2016-6188 Denial of service in n/a
- CVE-2025-71276 Cross-site scripting in SOGo
- CVE-2025-63498 Cross-site scripting in n/a
- CVE-2024-24510 Cross Site Scripting vulnerability in Alinto SOGo before 5.10.0 allows a remote attacker to execute arbitrary code via the import function to the mail component.
Sources
Also known as DEBIAN-CVE-2025-63499, GHSA-mrxw-g8fq-xg2c, UBUNTU-CVE-2025-63499.