# CVE-2024-2541: Popup Builder <= 4.3.6 - Sensitive Information Exposure via Imported Subscribers CSV File

> Unauthenticated attackers can extract sensitive subscriber data from imported CSV files in the Popup Builder WordPress plugin.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Aug 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-mwv6-8267-2mww

## What is CVE-2024-2541?

CVE-2024-2541 is a medium-severity vulnerability in popupbuilder Popup Builder – Create highly converting, mobile friendly marketing popups., published on 29 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Popup Builder plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.3.6 via the Subscribers Import feature. This makes it possible for unauthenticated attackers to extract sensitive data after an administrator has imported subscribers via a CSV file. This data may include the first name, last name, e-mail address, and potentially other personally identifiable information of subscribers.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2024-2541?

It affects 1 product.


Products: Sygnoos Popup Builder.

## How do I fix CVE-2024-2541?

No fix has been published for CVE-2024-2541 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-2541 being exploited?

There is no known exploitation of CVE-2024-2541 in the wild and no public exploit code.

## Other vulnerabilities in popupbuilder Popup Builder – Create highly converting, mobile friendly marketing popups.

- [CVE-2022-0479](https://insights.sbomify.com/CVE-2022-0479/): Popup Builder < 4.1.1 - SQL Injection to Reflected Cross-Site Scripting (critical 9.8)
- [CVE-2020-9006](https://insights.sbomify.com/CVE-2020-9006/): SQL injection in n/a (critical 9.8)
- [CVE-2019-14695](https://insights.sbomify.com/CVE-2019-14695/): SQL injection in n/a (critical 9.8)
- [CVE-2021-25082](https://insights.sbomify.com/CVE-2021-25082/): Popup Builder < 4.0.7 - LFI to RCE (high 8.8)
- [CVE-2023-6696](https://insights.sbomify.com/CVE-2023-6696/): Missing authorization in Popup Builder – Create highly converting, mobile friendly marketing popups. (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-2541 and fix it if it is affected.

What it is: CVE-2024-2541 is a medium-severity vulnerability in popupbuilder Popup Builder – Create highly converting, mobile friendly marketing popups., published on 29 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-2541 in the wild and no public exploit code.

Affected product: popupbuilder Popup Builder – Create highly converting, mobile friendly marketing popups.. 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-2024-2541/ (Markdown: https://insights.sbomify.com/CVE-2024-2541/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-2541
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-2541
- OSV: https://osv.dev/vulnerability/CVE-2024-2541

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-2541/
Summaries are generated and may contain mistakes; the official description above is the record.