# CVE-2024-12562: s2Member Pro <= 241216 - Unauthenticated PHP Object Injection

> Unauthenticated attackers can inject PHP objects via deserialization, potentially leading to code execution or data theft if a POP chain exists.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Feb 2025
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-wjr9-hj62-43j7

## What is CVE-2024-12562?

CVE-2024-12562 is a critical unsafe deserialization vulnerability in WP Sharks s2Member Pro, published on 15 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The s2Member Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 241216 via deserialization of untrusted input from the 's2member_pro_remote_op' vulnerable parameter. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2024-12562?

It affects 1 product.


Products: S2member S2member.

## How do I fix CVE-2024-12562?

No fix has been published for CVE-2024-12562 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-12562 being exploited?

There is no known exploitation of CVE-2024-12562 in the wild and no public exploit code.

## Other vulnerabilities in WP Sharks s2Member Pro

- [CVE-2011-5082](https://insights.sbomify.com/CVE-2011-5082/): Cross-site scripting in n/a (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-12562 and fix it if it is affected.

What it is: CVE-2024-12562 is a critical unsafe deserialization vulnerability in WP Sharks s2Member Pro, published on 15 Feb 2025. 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-2024-12562 in the wild and no public exploit code.

Affected product: WP Sharks s2Member Pro. 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-2024-12562/ (Markdown: https://insights.sbomify.com/CVE-2024-12562/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-12562
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-12562
- OSV: https://osv.dev/vulnerability/CVE-2024-12562

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-12562/
Summaries are generated and may contain mistakes; the official description above is the record.