# CVE-2026-13407: Royal Elementor Addons < 1.7.1067 - Unauthenticated Stored HTML Injection in Form Notification Emails

> Unauthenticated attackers can inject HTML into admin notification emails, potentially leading to XSS and account takeover.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A: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:** 16 Sep 2026
- **Updated:** 16 Sep 2026
- **Also known as:** GHSA-qfg2-4qwg-49vh

## What is CVE-2026-13407?

CVE-2026-13407 is a medium-severity cross-site scripting vulnerability in Unknown Royal Addons for Elementor, published on 16 Sep 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

The Royal Elementor Addons WordPress plugin before 1.7.1067 does not properly sanitize and escape values submitted through its form widget before including them in the body of administrator notification emails, allowing unauthenticated attackers to inject arbitrary HTML into emails sent to the site administrator on form submission.

Weakness: CWE-116 (Improper Encoding or Escaping of Output)

## Which versions are affected by CVE-2026-13407?


## How do I fix CVE-2026-13407?

No fix has been published for CVE-2026-13407 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-13407 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13407 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-13407 and fix it if it is affected.

What it is: CVE-2026-13407 is a medium-severity cross-site scripting vulnerability in Unknown Royal Addons for Elementor, published on 16 Sep 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: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13407 exists.

Affected product: Unknown Royal Addons for Elementor. 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-2026-13407/ (Markdown: https://insights.sbomify.com/CVE-2026-13407/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-13407
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-13407
- OSV: https://osv.dev/vulnerability/CVE-2026-13407

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-13407/
Summaries are generated and may contain mistakes; the official description above is the record.