# CVE-2021-24527: Profile Builder < 3.4.9 - Admin Access via Password Reset

> Attackers can reset admin passwords and gain unauthorized access due to a flawed reset key check in the Profile Builder plugin.

- **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:** 16 Aug 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-cjhq-3qxp-7658

## What is CVE-2021-24527?

CVE-2021-24527 is a critical authentication bypass vulnerability in Unknown User Registration & User Profile – Profile Builder, published on 16 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The User Registration & User Profile – Profile Builder WordPress plugin before 3.4.9 has a bug allowing any user to reset the password of the admin of the blog, and gain unauthorised access, due to a bypass in the way the reset key is checked. Furthermore, the admin will not be notified of such change by email for example.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2021-24527?

It affects 1 product.


Products: Cozmoslabs Profile Builder.

## How do I fix CVE-2021-24527?

No fix has been published for CVE-2021-24527 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24527 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24527 exists.

Public exploit code:

- Profile Builder < 3.4.9 - Improper Authentication (nuclei): http/cves/2021/CVE-2021-24527.yaml

## Other vulnerabilities in Unknown User Registration & User Profile – Profile Builder

- [CVE-2024-6695](https://insights.sbomify.com/CVE-2024-6695/): profile-builder <= 3.11.8 - Unauthenticated Privilege Escalation (critical 9.8)
- [CVE-2023-2297](https://insights.sbomify.com/CVE-2023-2297/): Profile Builder – User Profile & User Registration Forms <= 3.9.0 - Insecure Password Reset Mechanism (critical 9.8)
- [CVE-2024-6366](https://insights.sbomify.com/CVE-2024-6366/): User Profile Builder < 3.11.8 - Unauthenticated Media Upload (critical 9.1)
- [CVE-2024-22140](https://insights.sbomify.com/CVE-2024-22140/): WordPress Profile Builder Pro Plugin <= 3.10.0 is vulnerable to Cross Site Request Forgery (CSRF) (high 8.8)
- [CVE-2024-0324](https://insights.sbomify.com/CVE-2024-0324/): Missing authorization in User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor (high 8.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24527 and fix it if it is affected.

What it is: CVE-2021-24527 is a critical authentication bypass vulnerability in Unknown User Registration & User Profile – Profile Builder, published on 16 Aug 2021. 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-2021-24527 exists.

Affected product: Unknown User Registration & User Profile – Profile Builder. 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-2021-24527/ (Markdown: https://insights.sbomify.com/CVE-2021-24527/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24527
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24527
- OSV: https://osv.dev/vulnerability/CVE-2021-24527

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24527/
Summaries are generated and may contain mistakes; the official description above is the record.