CVE-2026-111966 Profile Builder < 4.0.5 - Contributor+ Stored XSS via redirect_url Shortcode Attribute
Medium 6.8
Published
Updated
Check this codebase for CVE-2026-111966 and fix it if it is affected.
What it is: CVE-2026-111966 is a medium-severity vulnerability in Unknown User Profile Builder, published on 23 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-111966 in the wild and no public exploit code.
Affected product: Unknown User Profile Builder. 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-2026-111966/ (Markdown: https://insights.sbomify.com/CVE-2026-111966/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-111966?
CVE-2026-111966 is a medium-severity vulnerability in Unknown User Profile Builder, published on 23 Oct 2026.
Official description
The User Profile Builder WordPress plugin before 4.0.5 does not sanitise and escape one of its shortcode attributes before outputting it back in a redirect message, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks against higher-privileged users who submit the affected form.
Weakness: CWE-79
Which versions are affected by CVE-2026-111966?
How do I fix CVE-2026-111966?
No fix has been published for CVE-2026-111966 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-111966 being exploited?
There is no known exploitation of CVE-2026-111966 in the wild and no public exploit code.
Sources
Also known as GHSA-9mx2-qxwc-rp6q.