# CVE-2023-5124: PageLayer < 1.8.0 - Author+ Stored XSS

> Administrators can inject malicious JavaScript into post headers or footers, bypassing unfiltered_html restrictions in multi-site WordPress configurations.

- **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:** 29 Jan 2024
- **Updated:** 22 May 2025
- **Also known as:** GHSA-hpcp-jfj7-rjww

## What is CVE-2023-5124?

CVE-2023-5124 is a medium-severity cross-site scripting vulnerability in Unknown Page Builder: Pagelayer, published on 29 Jan 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The Page Builder: Pagelayer WordPress plugin before 1.8.0 doesn't prevent attackers with administrator privileges from inserting malicious JavaScript inside a post's header or footer code, even when unfiltered_html is disallowed, such as in multi-site WordPress configurations.

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

## Which versions are affected by CVE-2023-5124?

It affects 1 product.


Products: Pagelayer Pagelayer.

## How do I fix CVE-2023-5124?

No fix has been published for CVE-2023-5124 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5124 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5124 exists.

## Other vulnerabilities in Unknown Page Builder: Pagelayer

- [CVE-2020-35944](https://insights.sbomify.com/CVE-2020-35944/): Cross-site request forgery in n/a (high 8.8)
- [CVE-2020-35947](https://insights.sbomify.com/CVE-2020-35947/): Missing authorization in n/a (high 7.4)
- [CVE-2024-30465](https://insights.sbomify.com/CVE-2024-30465/): WordPress PageLayer plugin <= 1.8.1 - Broken Access Control vulnerability (medium 6.5)
- [CVE-2024-2504](https://insights.sbomify.com/CVE-2024-2504/): Cross-site scripting in Page Builder: Pagelayer – Drag and Drop website builder (medium 6.4)
- [CVE-2024-2127](https://insights.sbomify.com/CVE-2024-2127/): Cross-site scripting in Page Builder: Pagelayer – Drag and Drop website builder (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5124 and fix it if it is affected.

What it is: CVE-2023-5124 is a medium-severity cross-site scripting vulnerability in Unknown Page Builder: Pagelayer, published on 29 Jan 2024. An attacker needs administrator access to exploit it, 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-2023-5124 exists.

Affected product: Unknown Page Builder: Pagelayer. 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-2023-5124/ (Markdown: https://insights.sbomify.com/CVE-2023-5124/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5124
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5124
- OSV: https://osv.dev/vulnerability/CVE-2023-5124

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5124/
Summaries are generated and may contain mistakes; the official description above is the record.