# CVE-2022-0424: Popup by Supsystic < 1.10.9 - Unauthenticated Subscriber Email Addresses Disclosure

> Unauthenticated attackers can access subscriber email addresses via an unprotected AJAX action in the Popup by Supsystic 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:** 9 May 2022
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-28vh-fggg-795m

## What is CVE-2022-0424?

CVE-2022-0424 is a medium-severity missing authorization vulnerability in Unknown Popup by Supsystic, published on 9 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Popup by Supsystic WordPress plugin before 1.10.9 does not have any authentication and authorisation in an AJAX action, allowing unauthenticated attackers to call it and get the email addresses of subscribed users

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2022-0424?

It affects 1 product.


Products: Supsystic Popup.

## How do I fix CVE-2022-0424?

No fix has been published for CVE-2022-0424 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-0424 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-0424 exists.

Public exploit code:

- Popup by Supsystic < 1.10.9 - Subscriber Email Addresses Disclosure (nuclei): http/cves/2022/CVE-2022-0424.yaml

## Other vulnerabilities in Unknown Popup by Supsystic

- [CVE-2023-3186](https://insights.sbomify.com/CVE-2023-3186/): Supsystic Popup < 1.10.19 - Prototype Pollution (critical 9.8)
- [CVE-2024-52434](https://insights.sbomify.com/CVE-2024-52434/): WordPress Popup by Supsystic plugin <= 1.10.29 - Remote Code Execution (RCE) vulnerability (critical 9.1)
- [CVE-2016-10915](https://insights.sbomify.com/CVE-2016-10915/): Cross-site request forgery in n/a (high 8.8)
- [CVE-2021-24275](https://insights.sbomify.com/CVE-2021-24275/): Popup by Supsystic < 1.10.5 - Reflected Cross-Site scripting (XSS) (medium 6.1)
- [CVE-2023-39997](https://insights.sbomify.com/CVE-2023-39997/): WordPress Popup by Supsystic plugin <= 1.10.19 - Broken Access Control Vulnerability (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-0424 and fix it if it is affected.

What it is: CVE-2022-0424 is a medium-severity missing authorization vulnerability in Unknown Popup by Supsystic, published on 9 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-0424 exists.

Affected product: Unknown Popup by Supsystic. 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-2022-0424/ (Markdown: https://insights.sbomify.com/CVE-2022-0424/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-0424
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-0424
- OSV: https://osv.dev/vulnerability/CVE-2022-0424

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-0424/
Summaries are generated and may contain mistakes; the official description above is the record.