# CVE-2024-42210: HCL Unica Marketing Operations v12.1.8 and lower is affected by a Stored cross-site scripting (XSS) vulnerability

> Attackers can inject malicious scripts into HCL Unica Marketing Operations, potentially executing code or hijacking user sessions.

- **Severity:** High 7.6 (`CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 19 Mar 2026
- **Updated:** 23 Mar 2026
- **Also known as:** GHSA-3rg6-p53x-xjw5

## What is CVE-2024-42210?

CVE-2024-42210 is a high-severity cross-site scripting vulnerability in HCLSoftware Unica Marketing Operations (Plan), published on 19 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

A Stored cross-site scripting (XSS) vulnerability affects HCL Unica Marketing Operations v12.1.8 and lower.  Stored cross-site scripting (also known as second-order or persistent XSS) arises when an application receives data from an untrusted source and includes that data within its later HTTP responses in an unsafe way.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2024-42210?

It affects 1 product.


Products: Hcltech Unica.

## How do I fix CVE-2024-42210?

No fix has been published for CVE-2024-42210 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-42210 being exploited?

There is no known exploitation of CVE-2024-42210 in the wild and no public exploit code.

## Other vulnerabilities in HCLSoftware Unica Marketing Operations (Plan)

- [CVE-2025-62319](https://insights.sbomify.com/CVE-2025-62319/): Boolean-Based SQL Injection in Multiple Unica Components (critical 9.8)
- [CVE-2023-37497](https://insights.sbomify.com/CVE-2023-37497/): An XML External Entity (XXE) Injection Vulnerability affects HCL Unica Platform (high 8.1)
- [CVE-2023-37498](https://insights.sbomify.com/CVE-2023-37498/): HCL Unica Platform is vulnerable to a privilege escalation by unauthorized group assignation (high 8.1)
- [CVE-2023-37499](https://insights.sbomify.com/CVE-2023-37499/): A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Platform (high 8.1)
- [CVE-2023-37500](https://insights.sbomify.com/CVE-2023-37500/): A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Platform (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-42210 and fix it if it is affected.

What it is: CVE-2024-42210 is a high-severity cross-site scripting vulnerability in HCLSoftware Unica Marketing Operations (Plan), published on 19 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-42210 in the wild and no public exploit code.

Affected product: HCLSoftware Unica Marketing Operations (Plan). 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-2024-42210/ (Markdown: https://insights.sbomify.com/CVE-2024-42210/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-42210
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-42210
- OSV: https://osv.dev/vulnerability/CVE-2024-42210

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-42210/
Summaries are generated and may contain mistakes; the official description above is the record.