CVE-2023-28111

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the `beta` and `tests-passed` branches, attackers are able to bypass Discourse's server-side request forgery (SSRF) protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the latest beta and tests-passed version of Discourse. version 3.1.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published: Mar 17, 2023
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2023

CVE-2023-281128.1Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the `beta` and `tests-passed` branches, some user provided CVE-2023-281135.9russh is a Rust SSH client and server library. Starting in version 0.34.0 and prior to versions 0.36.2 and 0.37.1, Diffie-Hellman key valida CVE-2023-281144.1`cilium-cli` is the command line interface to install, manage, and troubleshoot Kubernetes clusters running Cilium. Prior to version 0.13.2,CVE-2023-281159.8Snappy is a PHP library allowing thumbnail, snapshot or PDF generation from a url or a html page. Prior to version 1.4.2, Snappy is vulnerab CVE-2023-281169.8Contiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices. In versions 4.8 and prior, an out-of-bou CVE-2023-281176.5Sentry SDK is the official Python SDK for Sentry, real-time crash reporting software. When using the Django integration of versions prior to CVE-2023-281187.5kaml provides YAML support for kotlinx.serialization. Prior to version 0.53.0, applications that use kaml to parse untrusted input containin CVE-2023-281197.5The crewjam/saml go library contains a partial implementation of the SAML standard in golang. Prior to version 0.4.13, the package's use of CVE-2023-28124.8The Ultimate Dashboard WordPress plugin before 3.7.6 does not sanitise and escape some of its settings, which could allow high privilege use CVE-2023-281205.3There is a vulnerability in ActiveSupport if the new bytesplice method is called on a SafeBuffer with untrusted user input.CVE-2023-281219.8An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on beha CVE-2023-281227.8A local privilege escalation (LPE) vulnerability in UI Desktop for Windows (Version 0.59.1.71 and earlier) allows a malicious actor with loc