📦 Joomla\!

by Joomla

🔍 What is Joomla\!?

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🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2024-27185

CRITICAL CVSS 9.1 Aug 20, 2024

This vulnerability in Joomla's pagination class allows attackers to inject arbitrary parameters into pagination links, which can poison caching systems. This affects all Joomla installations using the...

CVE-2022-23795

CRITICAL CVSS 9.8 Mar 30, 2022

This vulnerability in Joomla! allows account takeover under specific circumstances because user authentication rows aren't properly bound to authentication mechanisms. It affects all Joomla! installat...

CVE-2022-23797

CRITICAL CVSS 9.8 Mar 30, 2022

CVE-2022-23797 is a critical SQL injection vulnerability in Joomla! CMS that allows attackers to execute arbitrary SQL commands through inadequate filtering of selected IDs in requests. This affects a...

CVE-2022-23799

CRITICAL CVSS 9.8 Mar 30, 2022

This Joomla vulnerability allows attackers to manipulate input variables by polluting method-specific input bags with $_REQUEST data. This can lead to variable tampering and potential security bypasse...

CVE-2021-26040

CRITICAL CVSS 9.1 Aug 24, 2021

This vulnerability allows authenticated users with media manager access to delete files without proper permission checks in Joomla! 4.0.0. Attackers can exploit this to delete critical files, potentia...

CVE-2010-1433

CRITICAL CVSS 9.8 Jun 21, 2021

This vulnerability allows attackers to upload arbitrary files to Joomla! websites due to insufficient input validation in the installer migration script. Attackers can upload malicious code that execu...

CVE-2010-1435

CRITICAL CVSS 9.8 Jun 21, 2021

This vulnerability in Joomla! Core allows attackers to bypass security restrictions and retrieve password reset tokens from the database via an existing SQL injection vector. Successful exploitation c...

CVE-2021-23127

CRITICAL CVSS 9.1 Mar 4, 2021

This vulnerability in Joomla! involves insufficient randomness in two-factor authentication (2FA) secret generation, using only 10 bytes instead of the recommended 20 bytes per RFC 4226. This weakens ...

CVE-2020-35613

CRITICAL CVSS 9.8 Dec 28, 2020

This SQL injection vulnerability in Joomla's backend user list allows authenticated attackers to execute arbitrary SQL commands. It affects Joomla installations from version 3.0.0 through 3.9.22. Atta...

CVE-2024-40748

HIGH CVSS 7.5 Jan 7, 2025

This Cross-Site Scripting (XSS) vulnerability in Joomla allows attackers to inject malicious scripts into menu list ID attributes. When exploited, it enables attackers to steal session cookies, redire...

CVE-2024-40749

HIGH CVSS 7.5 Jan 7, 2025

This CVE describes an improper access control vulnerability in Joomla core that allows unauthorized users to access protected views. It affects Joomla installations with default configurations, potent...

CVE-2024-27187

HIGH CVSS 7.5 Aug 20, 2024

This vulnerability in Joomla! allows backend users to overwrite their usernames even when this action should be restricted by access controls. This affects Joomla! installations with backend user acco...

CVE-2023-23755

HIGH CVSS 7.5 May 30, 2023

This vulnerability in Joomla! allows attackers to perform brute force attacks against multi-factor authentication (MFA) methods due to insufficient rate limiting. Attackers can repeatedly guess MFA co...

CVE-2022-23793

HIGH CVSS 7.5 Mar 30, 2022

This vulnerability allows attackers to perform path traversal attacks by uploading specially crafted tar archives to Joomla! installations. When extracted, these archives can write files outside the i...

CVE-2021-26036

HIGH CVSS 7.5 Jul 7, 2021

This vulnerability in Joomla! CMS allows attackers to manipulate the usergroups table through insufficient input validation, potentially causing denial of service or system instability. It affects all...

CVE-2021-26038

HIGH CVSS 7.5 Jul 7, 2021

This vulnerability in Joomla! allows authenticated users with installer component access to install extensions without proper superuser authorization checks. It affects Joomla! installations where ACL...

CVE-2010-1432

HIGH CVSS 7.5 Jun 21, 2021

Joomla! Core 1.5.x has an information disclosure vulnerability where attackers can use negative values for limit and offset parameters to access sensitive data. This affects Joomla! 1.5.0 through 1.5....

CVE-2021-23131

HIGH CVSS 7.5 Mar 4, 2021

This vulnerability in Joomla's template manager allows attackers to bypass input validation, potentially leading to unauthorized actions or code execution. It affects all Joomla installations running ...

CVE-2025-63082

MEDIUM CVSS 6.1 Jan 6, 2026

This vulnerability allows attackers to inject malicious scripts via data URLs in img tags due to inadequate input filtering. When exploited, it enables cross-site scripting (XSS) attacks that can stea...

CVE-2025-63083

MEDIUM CVSS 6.1 Jan 6, 2026

This vulnerability allows attackers to inject malicious scripts into web pages through the pagebreak plugin due to improper output escaping. It affects Joomla CMS users who have the vulnerable plugin ...

CVE-2024-40747

MEDIUM CVSS 6.1 Jan 7, 2025

This vulnerability allows attackers to inject malicious scripts into Joomla module chrome outputs, which execute in victims' browsers when viewing affected pages. It affects Joomla CMS users with vuln...

CVE-2024-26279

MEDIUM CVSS 6.1 Jul 9, 2024

This vulnerability in Joomla wrapper extensions allows attackers to inject malicious scripts through unvalidated inputs, leading to cross-site scripting (XSS) attacks. It affects Joomla websites using...

CVE-2024-21730

MEDIUM CVSS 5.4 Jul 9, 2024

This CVE describes a self-XSS vulnerability in Joomla's fancyselect list field layout where user inputs are not properly escaped. It allows attackers to inject malicious scripts that execute in the vi...