# CVE-2024-3897: Popup Box – Best WordPress Popup Plugin <= 4.3.6 - Missing Authorization to Information Exposure

> Unauthenticated attackers can enumerate all registered user emails due to a missing capability check in the Popup Box 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:** 2 May 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-3xgx-x66j-ggxc

## What is CVE-2024-3897?

CVE-2024-3897 is a medium-severity missing authorization vulnerability in ays-pro Popup Box – Create Countdown, Coupon, Video, Contact Form Popups, published on 2 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Popup Box – Best WordPress Popup Plugin plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the ays_pb_create_author AJAX action in all versions up to, and including, 4.3.6. This makes it possible for unauthenticated attackers to enumerate all emails registered on the website.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2024-3897?


## How do I fix CVE-2024-3897?

No fix has been published for CVE-2024-3897 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-3897 being exploited?

There is no known exploitation of CVE-2024-3897 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-3897 and fix it if it is affected.

What it is: CVE-2024-3897 is a medium-severity missing authorization vulnerability in ays-pro Popup Box – Create Countdown, Coupon, Video, Contact Form Popups, published on 2 May 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-2024-3897 in the wild and no public exploit code.

Affected product: ays-pro Popup Box – Create Countdown, Coupon, Video, Contact Form 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-2024-3897/ (Markdown: https://insights.sbomify.com/CVE-2024-3897/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-3897
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-3897
- OSV: https://osv.dev/vulnerability/CVE-2024-3897

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-3897/
Summaries are generated and may contain mistakes; the official description above is the record.