# CVE-2021-25067: Landing Page Builder < 1.4.9.6 - Authenticated Reflected Cross-Site Scripting (XSS)

> Authenticated attackers can execute arbitrary scripts in admin sessions via reflected XSS in the Landing Page Builder plugin.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 17 Jan 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-75mq-46pp-pvvf

## What is CVE-2021-25067?

CVE-2021-25067 is a medium-severity cross-site scripting vulnerability in Unknown Landing Page Builder – Lead Page – Optin Page – Squeeze Page – WordPress Landing Pages, published on 17 Jan 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The Landing Page Builder WordPress plugin before 1.4.9.6 was affected by a reflected XSS in page-builder-add on the ulpb_post admin page.

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

## Which versions are affected by CVE-2021-25067?

It affects 1 product.


Products: Pluginops Landing Page.

## How do I fix CVE-2021-25067?

No fix has been published for CVE-2021-25067 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-25067 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25067 exists.

Public exploit code:

- Landing Page Builder < 1.4.9.6 - Cross-Site Scripting (nuclei): http/cves/2021/CVE-2021-25067.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-25067 and fix it if it is affected.

What it is: CVE-2021-25067 is a medium-severity cross-site scripting vulnerability in Unknown Landing Page Builder – Lead Page – Optin Page – Squeeze Page – WordPress Landing Pages, published on 17 Jan 2022. Any signed-in user can exploit it over the network, 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-2021-25067 exists.

Affected product: Unknown Landing Page Builder – Lead Page – Optin Page – Squeeze Page – WordPress Landing Pages. 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-2021-25067/ (Markdown: https://insights.sbomify.com/CVE-2021-25067/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-25067
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-25067
- OSV: https://osv.dev/vulnerability/CVE-2021-25067

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-25067/
Summaries are generated and may contain mistakes; the official description above is the record.