CVE-2023-0901: User Enumeration Vulnerability in Pixelfed

pixelfed/pixelfed Updated 02 Oct 2025

Summary

18/02/2023

Disclosed on

CVE-2023-0901

CVE

No i

Fix available

Moderate

Severity

5.3

CVSS Score

CVE-2023-0901: Pixelfed allows user enumeration via reset password functionality. Affects pixelfed/pixelfed versions < 0.11.4. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

Pixelfed is an open-source, federated image-sharing platform that allows users to share photos and follow other users. It is built using the Packagist ecosystem and the vulnerable package is 'pixelfed/pixelfed'. Pixelfed versions up to 0.11.4 are affected by a user enumeration vulnerability.

Vulnerability Detail

The vulnerability in Pixelfed allows an unauthorized actor to enumerate users through the reset password functionality. By exploiting this vulnerability, an attacker can gain access to sensitive information. This vulnerability has a CVSS score of 5.3, indicating a moderate severity level.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

There is no known workaround for this vulnerability. It is essential to update to the latest version of Pixelfed to ensure the security of the application.

Conclusion

The user enumeration vulnerability in Pixelfed can be mitigated by updating to version 0.11.5 or later. It is crucial to promptly apply this update to protect against unauthorized user enumeration. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for pixelfed/pixelfed →