CVE-2025-59902 HTML injection in NICE Chat
Attackers can inject HTML into chat transcripts via name fields, enabling phishing and credential theft in NICE Chat email notifications.
- 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-2025-59902?
CVE-2025-59902 is a high-severity cross-site scripting vulnerability in NICE Chat, published on 3 Feb 2026. 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
HTML injection vulnerability in NICE Chat. This vulnerability allows an attacker to inject and render arbitrary HTML content in email transcripts by modifying the 'firstName' and 'lastName' parameters during a chat session. The injected HTML is included in the body of the email sent by the system, which could enable phishing attacks, impersonation, or credential theft.
Weakness: CWE-79
Which versions are affected by CVE-2025-59902?
How do I fix CVE-2025-59902?
No fix has been published for CVE-2025-59902 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-2025-59902 being exploited?
There is no known exploitation of CVE-2025-59902 in the wild and no public exploit code.
Sources
Also known as GHSA-4xjf-369h-c6gj.