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Joomla

41 known vulnerabilities

8
CRITICAL
12
HIGH
21
MEDIUM

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joomla\! 40 calendar planner 1
41 CVEs
8.8
CVE-2026-48958

An improper access check allows unauthorized users to create custom fields via webservices endpoints.

8.8
CVE-2026-48957

An improper access check allows unauthorized users to access com_privacy datasets.

5.0
CVE-2026-48956

An improper access check allows users to display a list of modules in the frontend.

6.5
CVE-2026-48955

An improper access check allows unauthorized users to access workflow stage and transition information.

6.1
CVE-2026-48954

Improper validation leads to a generic XSS vector in the language override feature.

6.1
CVE-2026-48953

Lack of escaping leads to an XSS vulnerability in the generic image output layout.

6.1
CVE-2026-48952

Lack of escaping leads to an XSS vulnerability in the update list view of com_installer.

6.1
CVE-2026-48951

Lack of escaping leads to XSS vulnerabilities in modalreturn layouts of various components.

6.1
CVE-2026-48950

Lack of escaping leads to an XSS vulnerability in the file management view of com_templates.

6.1
CVE-2026-48949

Lack of validation leads to an XSS vulnerability in the MFA management views.

8.8
CVE-2026-48948

An improper access check allows user to download vcard exports of com_contact contacts that are inaccessible.

4.9
CVE-2026-48947

An improper access check allows privileged users to overwrite media files without editing permissions.

8.2
CVE-2017-20267

Joomla! Component Calendar Planner 1.0.1 contains an SQL injection vulnerability that allows unauthenticated attackers t

6.1
CVE-2026-48905

Lack of input filtering leads to an XSS vector in the HTML filter code.

9.8
CVE-2026-48904

An improper access check allows privelege escalation through the com_users group editing webservice endpoint.

6.1
CVE-2026-48903

Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

9.8
CVE-2026-48902

The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't e

7.5
CVE-2026-48901

The InputFilter::getInstance() method omitted a security sensitive parameter from the instance cache key.

4.3
CVE-2026-48900

An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.

9.8
CVE-2026-48899

An improper access check allows privilege escalation through the com_users batch task.

9.8
CVE-2026-48898

An improper access check allows privilege escalation through the com_users batch task.

7.5
CVE-2026-48897

Insufficient state checks lead to a vector that allows to bypass 2FA checks.

7.5
CVE-2026-48896

Insufficient state checks lead to a vector that allows to bypass 2FA checks.

7.5
CVE-2026-40384

An improper validation of the search parameter of the com_media files API endpoint leads to a path traversal vulnerabili

9.8
CVE-2026-40383

An improper validation of user-supplied input leads to a local file inclusion vulnerability.

9.8
CVE-2026-35223

An improper access check allows unauthorized access to com_config webservice endpoints.

9.8
CVE-2026-35222

Improperly validated order clauses lead to a SQL injection vulnerability in com_tags.

9.8
CVE-2026-35221

Improperly built filter clauses lead to a SQL injection vulnerability in the search query for com_finder.

4.3
CVE-2026-35220

Lack of CSRF token validation lead to a CSRF attack vector in the admin activation endpoint of com_users.

6.1
CVE-2026-30895

Lack of output escaping leads to a XSS vector in the readmore links for com_content.

6.1
CVE-2026-30894

Lack of output escaping leads to a XSS vector in the content history component.

6.1
CVE-2026-25901

Lack of output escaping leads to a XSS vector in the multilingual associations component.

6.1
CVE-2026-25900

Lack of output escaping leads to a XSS vector in the feed modules.

8.8
CVE-2026-23899

An improper access check allows unauthorized access to webservice endpoints.

7.2
CVE-2026-23898

Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.

5.4
CVE-2026-21632

Lack of output escaping for article titles leads to XSS vectors in various locations.

5.4
CVE-2026-21631

Lack of output escaping leads to a XSS vector in the multilingual associations component.

8.8
CVE-2026-21630

Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.

7.3
CVE-2026-21629

The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was pote

6.1
CVE-2025-63083

Lack of output escaping leads to a XSS vector in the pagebreak plugin.

6.1
CVE-2025-63082

Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.

Frequently Asked Questions

How many CVEs affect Joomla?

Joomla has 41 CVE records in our database, including 8 critical and 12 high severity vulnerabilities.

What are the most severe Joomla vulnerabilities?

Joomla has 8 critical severity (CVSS 9.0+) and 12 high severity (CVSS 7.0-8.9) vulnerabilities. Review the list above sorted by publication date to find the most recent high-severity issues.

How can I scan for Joomla vulnerabilities?

CyberStrike's AI-powered security agents automatically detect vulnerabilities in Joomla products across your infrastructure. The platform provides continuous pentesting, DAST scanning, and real-time vulnerability monitoring with actionable remediation guidance.

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