# CVE-2022-40963: WordPress WP Page Builder plugin <= 1.2.6 - Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities

> Authenticated attackers can inject malicious scripts via stored XSS in WP Page Builder, potentially compromising user sessions and site integrity.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **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:** 18 Nov 2022
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-2cvq-f2jf-9wfh

## What is CVE-2022-40963?

CVE-2022-40963 is a medium-severity cross-site scripting vulnerability in Themeum WP Page Builder (WordPress plugin), published on 18 Nov 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

Multiple Auth. (author+) Stored Cross-Site Scripting (XSS) vulnerabilities in WP Page Builder plugin <= 1.2.6 on WordPress.

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

## Which versions are affected by CVE-2022-40963?

It affects 1 product.


Products: Themeum Wp Page Builder.

## How do I fix CVE-2022-40963?

No fix has been published for CVE-2022-40963 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-40963 being exploited?

There is no known exploitation of CVE-2022-40963 in the wild and no public exploit code.

## Other vulnerabilities in Themeum WP Page Builder (WordPress plugin)

- [CVE-2021-24208](https://insights.sbomify.com/CVE-2021-24208/): WP Page Builder < 1.2.4 - Multiple Stored Cross-Site scripting (XSS) (medium 5.4)
- [CVE-2022-3830](https://insights.sbomify.com/CVE-2022-3830/): WP Page Builder <= 1.2.8 - Admin+ Stored Cross-Site (medium 4.8)
- [CVE-2021-24207](https://insights.sbomify.com/CVE-2021-24207/): WP Page Builder < 1.2.4 - Insecure default configuration Allows Subscribers Editing Access to Posts (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-40963 and fix it if it is affected.

What it is: CVE-2022-40963 is a medium-severity cross-site scripting vulnerability in Themeum WP Page Builder (WordPress plugin), published on 18 Nov 2022. 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-2022-40963 in the wild and no public exploit code.

Affected product: Themeum WP Page Builder (WordPress plugin). 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-2022-40963/ (Markdown: https://insights.sbomify.com/CVE-2022-40963/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-40963
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-40963
- OSV: https://osv.dev/vulnerability/CVE-2022-40963

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-40963/
Summaries are generated and may contain mistakes; the official description above is the record.