Vendor
Joomla! Project
150 known vulnerabilities.
Products
26 results · Clear filters · Feed
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High 7.0
Joomla! Core - [20260905] - Core - Arbitrary directory deletion via cache purge action in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3
Joomla! Core - [20260905] - Core - Arbitrary directory deletion via cache purge action in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 -An improper validation of the cache group name allowed path traverals in the file storage of the caching layer, resulting in arbitrary d…
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High 7.0
Joomla! Core - [20260913] - Core - Improper ACL checks for varous webservice edit tasks in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3
Joomla! Core - [20260913] - Core - Improper ACL checks for varous webservice edit tasks in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - An improper access check allows unauthorized users to perform edit actions on otherwise uneditable items.
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High 7.1
Joomla! Core - [20260915] - Core - XSS filter bypass in InputFilter via HTML5 entity decode mismatch in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3
Joomla! Core - [20260915] - Core - XSS filter bypass in InputFilter via HTML5 entity decode mismatch in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The checkAttribute method normalized an attribute value before testing it against the "javascript:" scheme regex, however…
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High 8.9
Joomla! Core - [20260909] - Core - SSRF vectors in various core extensions in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3
Joomla! Core - [20260909] - Core - SSRF vectors in various core extensions in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - URLs used for serverside requests were improperly validated, leading to SSRF vectors.
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High 8.2
Joomla! Core - [20260914] - Core - MFA Authentication Bypass through rememberme cookies in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3
Joomla! Core - [20260914] - Core - MFA Authentication Bypass through rememberme cookies in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - The premature issuance of an rememberme cookie leads to a MFA bypass vulnerability.
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High 7.1
Joomla! Core - [20260916] - Core - XSS filter bypass in InputFilter via whitespace characters in HTML data URIs in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3
Joomla! Core - [20260916] - Core - XSS filter bypass in InputFilter via whitespace characters in HTML data URIs in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The cleanAttribute method removes HTML data URIs, however injected whitespaces characters could circumvent tha…
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High 7.0
Joomla! Core - [20260903] - Core - Improper ACL checks for access level webservice endpoints in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3
Joomla! Core - [20260903] - Core - Improper ACL checks for access level webservice endpoints in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - An improper access check allows unauthorized users to perform mutation actions in access level endpoints.
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High 8.2
Joomla! Core - [20260807] - MFA Authentication Bypass in Joomla 4.0.0-5.4.7 and 6.0.0-6.1.2
Joomla! Core - [20260807] - MFA Authentication Bypass in Joomla 4.0.0-5.4.7 and 6.0.0-6.1.2 - Insufficient state checks lead to a vector that allows to bypass 2FA checks.
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High 8.9CVE-2026-73373 Public exploit
Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2
Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution.
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High 8.5
Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2
Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was rest…
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High 8.2
Joomla! Core - [20260511] - MFA Authentication Bypass
Insufficient state checks lead to a vector that allows to bypass 2FA checks.
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High 7.5CVE-2026-40383 EPSS 13%
Joomla! Core - [20260509] - LFI in HTMLView layout parameter
An improper validation of user-supplied input leads to a local file inclusion vulnerability.
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High 8.2
Joomla! Core - [20260512] - MFA Authentication Bypass
Insufficient state checks lead to a vector that allows to bypass 2FA checks.
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High 8.6
Joomla! Core - [20260508] - Improper access check in com_config webservice endpoints
An improper access check allows unauthorized access to com_config webservice endpoints.
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High 8.2
Joomla! Core - [20260514] - Privilege escalation through com_users webservice endpoints
An improper access check allows privelege escalation through the com_users group editing webservice endpoint.
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High 8.2
Joomla! Core - [20260513] - Privilege escalation through com_users batch task
An improper access check allows privilege escalation through the com_users batch task.
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High 7.5
Joomla! Core - [20260517] - Incorrect Cache Key Construction for InputFilter objects
The InputFilter::getInstance() method omitted a security sensitive parameter from the instance cache key.
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High 8.6
Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate
Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.
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High 8.6
Joomla! Core - [20260306] - Improper access check in webservice endpoints
An improper access check allows unauthorized access to webservice endpoints.
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High 7.5CVE-2025-25227 Public exploit
[20250402] - Joomla Core - MFA Authentication Bypass
Insufficient state checks lead to a vector that allows to bypass 2FA checks.
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High 7.1
[20250301] - Core - Malicious file uploads via Media Manager
Inadequate checks in the Media Manager allowed users with "edit" privileges to change file extension to arbitrary extension, including .php and other potentially executable extensions.
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High 7.5
[20250103] - Core - Read ACL violation in multiple core views
Improper Access Controls allows access to protected views.
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High 7.5
[20250102] - Core - XSS vector in the id attribute of menu lists
Lack of output escaping in the id attribute of menu lists.
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High 7.5
[20240804] - Core - Improper ACL for backend profile view
Improper Access Controls allows backend users to overwrite their username when disallowed.
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High 7.5
[20230502] - Core - Bruteforce prevention within the mfa screen
An issue was discovered in Joomla! 4.2.0 through 4.3.1. The lack of rate limiting allowed brute force attacks against MFA methods.
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High 7.5
[20220301] - Core - Zip Slip within the Tar extractor
An issue was discovered in Joomla! 3.0.0 through 3.10.6 & 4.0.0 through 4.1.0. Extracting an specifilcy crafted tar package could write files outside of the intended path.