# CVE-2023-49766: WordPress Ultimate Addons for Contact Form 7 Plugin <= 3.2.0 is vulnerable to Cross Site Scripting (XSS)

> Stored XSS in Ultimate Addons for Contact Form 7 allows attackers to inject malicious scripts, potentially leading to session hijacking or site defacement.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L`)
- **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:** 14 Dec 2023
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-qrg9-4v36-m69h

## What is CVE-2023-49766?

CVE-2023-49766 is a high-severity cross-site scripting vulnerability in Themefic Ultimate Addons for Contact Form 7, published on 14 Dec 2023. 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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themefic Ultimate Addons for Contact Form 7 allows Stored XSS.This issue affects Ultimate Addons for Contact Form 7: from n/a through 3.2.0.

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

## Which versions are affected by CVE-2023-49766?

It affects 1 product.


Products: Themefic Ultimate Addons for Contact Form 7.

## How do I fix CVE-2023-49766?

No fix has been published for CVE-2023-49766 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-49766 being exploited?

There is no known exploitation of CVE-2023-49766 in the wild and no public exploit code.

## Other vulnerabilities in Themefic Ultimate Addons for Contact Form 7

- [CVE-2023-1615](https://insights.sbomify.com/CVE-2023-1615/): SQL injection in Ultimate Addons for Contact Form 7 (high 8.8)
- [CVE-2023-30495](https://insights.sbomify.com/CVE-2023-30495/): WordPress Ultimate Addons for Contact Form 7 Plugin <= 3.1.23 is vulnerable to SQL Injection (high 8.5)
- [CVE-2022-47586](https://insights.sbomify.com/CVE-2022-47586/): WordPress Ultimate Addons for Contact Form 7 Plugin <= 3.1.23 is vulnerable to SQL Injection (high 8.2)
- [CVE-2025-6212](https://insights.sbomify.com/CVE-2025-6212/): Ultra Addons for Contact Form 7 3.5.11 - 3.5.19 - Unauthenticated Stored Cross-Site Scripting via Database module (high 7.2)
- [CVE-2025-6220](https://insights.sbomify.com/CVE-2025-6220/): Ultimate Addons for Contact Form 7 <= 3.5.12 - Authenticated (Administrator+) Arbitrary File Upload via 'save_options' (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-49766 and fix it if it is affected.

What it is: CVE-2023-49766 is a high-severity cross-site scripting vulnerability in Themefic Ultimate Addons for Contact Form 7, published on 14 Dec 2023. 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-2023-49766 in the wild and no public exploit code.

Affected product: Themefic Ultimate Addons for Contact Form 7. 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-2023-49766/ (Markdown: https://insights.sbomify.com/CVE-2023-49766/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-49766
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-49766
- OSV: https://osv.dev/vulnerability/CVE-2023-49766

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-49766/
Summaries are generated and may contain mistakes; the official description above is the record.