CVE-2024-21723 [20240202] - Core - Open redirect in installation application
Medium 4.3
Published
Updated
Check this codebase for CVE-2024-21723 and fix it if it is affected.
What it is: CVE-2024-21723 is a medium-severity vulnerability in Joomla Joomla\!, published on 20 Feb 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-21723 in the wild and no public exploit code.
Affected packages and fixed versions:
- joomla (Bitnami): affected from 1.5.0; fixed in 5.0.3
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-2024-21723/ (Markdown: https://insights.sbomify.com/CVE-2024-21723/index.md)
Attackers can redirect users to malicious sites via the Joomla installation application due to inadequate URL parsing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-21723?
CVE-2024-21723 is a medium-severity vulnerability in Joomla Joomla\!, published on 20 Feb 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Inadequate parsing of URLs could result into an open redirect.
Weakness: CWE-601
Which versions are affected by CVE-2024-21723?
1 open source package ship an affected version, including joomla. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
joomla Bitnami | From 1.5.0 | 5.0.3 |
Products include Joomla Joomla\!.
How do I fix CVE-2024-21723?
Upgrade joomla to 5.0.3 or later.
Is CVE-2024-21723 being exploited?
There is no known exploitation of CVE-2024-21723 in the wild and no public exploit code.
Other vulnerabilities in Joomla Joomla\!
- CVE-2016-10033 PHPMailer Command Injection
- CVE-2023-23752 Joomla! Improper Access Control
- CVE-2026-48902 Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links
- CVE-2025-25226 [20250401] - Joomla Framework - SQL injection vulnerability in quoteNameStr method of Database package
- CVE-2022-23795 [20220303] - Core - User row are not bound to a authentication mechanism
Sources
Also known as BIT-joomla-2024-21723, GHSA-whm2-8r5j-rj8q.