# 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.

- **Severity:** High 7.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N`)
- **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:** No
- **Published:** 3 Feb 2026
- **Updated:** 3 Feb 2026
- **Also known as:** GHSA-4xjf-369h-c6gj

## 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 (Improper Neutralization of Input During Web Page Generation)

## 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.

## Is CVE-2025-59902 being exploited?

There is no known exploitation of CVE-2025-59902 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-59902 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2025-59902 in the wild and no public exploit code.

Affected product: NICE Chat. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-59902/ (Markdown: https://insights.sbomify.com/CVE-2025-59902/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-59902
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-59902
- OSV: https://osv.dev/vulnerability/CVE-2025-59902

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-59902/
Summaries are generated and may contain mistakes; the official description above is the record.