CVE-2025-13183 Stored XSS in Hotech's Otello
Attackers can inject malicious scripts into Otello web pages, potentially stealing user data or hijacking sessions.
- 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-2025-13183?
CVE-2025-13183 is a high-severity cross-site scripting vulnerability in Hotech Software Inc. Otello, published on 23 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Hotech Software Inc. Otello allows Stored XSS.
This issue affects Otello: from 2.4.0 before 2.4.4.
Weakness: CWE-79
Which versions are affected by CVE-2025-13183?
How do I fix CVE-2025-13183?
No fix has been published for CVE-2025-13183 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-2025-13183 being exploited?
There is no known exploitation of CVE-2025-13183 in the wild and no public exploit code.
Sources
Also known as GHSA-9f4m-xrm4-4h98.