# CVE-2023-50172: WWBN AVideo recovery notification bypass vulnerability

> Attackers can bypass captcha validation to silently create recovery codes for any user, leading to account takeover.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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:** 10 Jan 2024
- **Updated:** 4 Nov 2025
- **Also known as:** GHSA-8m5f-2xvp-2c8w

## What is CVE-2023-50172?

CVE-2023-50172 is a medium-severity authentication bypass vulnerability in Wwbn Avideo, published on 10 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A recovery notification bypass vulnerability exists in the userRecoverPass.php captcha validation functionality of WWBN AVideo dev master commit 15fed957fb. A specially crafted HTTP request can lead to the silent creation of a recovery pass code for any user.

Weakness: CWE-640 (Weak Password Recovery Mechanism for Forgotten Password)

## Which versions are affected by CVE-2023-50172?

2 open source packages ship an affected version, including wwbn/avideo. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `wwbn/avideo` | Packagist | All versions to 12.4 | None |
| `wwbn/avideo` | Packagist | All versions to 12.4 | None |

Products: Wwbn Avideo.

## How do I fix CVE-2023-50172?

No fix has been published for CVE-2023-50172 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-50172 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-50172 exists.

## Other vulnerabilities in Wwbn Avideo

- [CVE-2026-40911](https://insights.sbomify.com/CVE-2026-40911/): WWBN AVideo YPTSocket WebSocket Broadcast Relay Leads to Unauthenticated Cross-User JavaScript Execution via Client-Side eval() Sinks (critical 10.0)
- [CVE-2026-33478](https://insights.sbomify.com/CVE-2026-33478/): AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, Database Dump, and Command Injection (critical 10.0)
- [CVE-2022-30534](https://insights.sbomify.com/CVE-2022-30534/): Command injection in AVideo (critical 9.9)
- [CVE-2022-30547](https://insights.sbomify.com/CVE-2022-30547/): Path traversal in AVideo (critical 9.9)
- [CVE-2022-32572](https://insights.sbomify.com/CVE-2022-32572/): Command injection in AVideo (critical 9.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-50172 and fix it if it is affected.

What it is: CVE-2023-50172 is a medium-severity authentication bypass vulnerability in Wwbn Avideo, published on 10 Jan 2024. 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-2023-50172 exists.

Affected packages and fixed versions:
- wwbn/avideo (Packagist): affected all versions up to 12.4; no fix listed
- wwbn/avideo (Packagist): affected all versions up to 12.4; no fix listed

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-2023-50172/ (Markdown: https://insights.sbomify.com/CVE-2023-50172/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-50172
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-50172
- OSV: https://osv.dev/vulnerability/CVE-2023-50172

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-50172/
Summaries are generated and may contain mistakes; the official description above is the record.