# Joomla! vulnerabilities

Source: https://junglewise.ai/threats/vendors/joomla  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/joomla.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 28 vulnerabilities in Joomla!: 0 in the last 7 days and 17 in the last 90 days, 2 of them critical and 1 exploited in the wild. The most recent, CVE-2026-39790, was published on 6 October 2026. Nothing in the last four weeks, down from 17 vulnerabilities in the four before. 2 technologies have a page of their own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 17
- All time: 28 (2 critical, 1 exploited in the wild)

## About Joomla!

A community-driven organization responsible for the development of the Joomla content management system.

## Latest Joomla! vulnerabilities

- [CVE-2026-39790: VikRentCar unauthenticated cross-site scripting (XSS)](https://junglewise.ai/threats/cve-2026-39790-unauthenticated-cross-site-scripting-xss-in-vikrentcar-1-4-6) (high, CVSS 7.1, published 6 Oct 2026)
- [CVE-2026-92232: Joomla Core XSS filter bypass in InputFilter with whitespace data URIs](https://junglewise.ai/threats/cve-2026-92232-joomla-core-20260916-core-xss-filter-bypass-in-inputfilter-via) (info, published 29 Sep 2026)
- [CVE-2026-92231: Joomla Core XSS filter bypass in InputFilter via HTML5 entity decode](https://junglewise.ai/threats/cve-2026-92231-joomla-core-20260915-core-xss-filter-bypass-in-inputfilter-via) (info, published 29 Sep 2026)
- [CVE-2026-92227: Joomla Core authentication bypass through premature rememberme cookies](https://junglewise.ai/threats/cve-2026-92227-joomla-core-20260914-core-mfa-authentication-bypass-through) (info, published 29 Sep 2026)
- [CVE-2026-92226: Joomla Core improper ACL checks in webservice edit tasks](https://junglewise.ai/threats/cve-2026-92226-joomla-core-20260913-core-improper-acl-checks-for-varous) (info, published 29 Sep 2026)
- [CVE-2026-92225: Joomla Core XSS in module list](https://junglewise.ai/threats/cve-2026-92225-joomla-core-20260912-core-xss-in-module-list-in-joomla-4-0-0-5-4) (info, published 29 Sep 2026)
- [CVE-2026-92223: Joomla Core improper ACL checks for workflow stage changes](https://junglewise.ai/threats/cve-2026-92223-joomla-core-20260910-core-improper-acl-checks-for-workflow-stage) (info, published 29 Sep 2026)
- [CVE-2026-92222: Joomla CMS server-side request forgery in core extensions](https://junglewise.ai/threats/cve-2026-92222-joomla-core-20260909-core-ssrf-vectors-in-various-core-extensions) (info, published 29 Sep 2026)
- [CVE-2026-90918: Joomla Core stored XSS in HTML mail templates](https://junglewise.ai/threats/cve-2026-90918-joomla-core-20260908-core-xss-in-html-mail-templates-in-joomla-4) (info, published 29 Sep 2026)
- [CVE-2026-90917: Joomla Core improper ACL checks in tagged items](https://junglewise.ai/threats/cve-2026-90917-joomla-core-20260907-core-improper-acl-checks-in-outputs-for) (info, published 29 Sep 2026)
- [CVE-2026-90916: Joomla CMS improper ACL checks in content history comparison](https://junglewise.ai/threats/cve-2026-90916-joomla-core-20260906-core-improper-acl-checks-in-content-history) (info, published 29 Sep 2026)
- [CVE-2026-90915: Joomla Core arbitrary directory deletion via cache purge](https://junglewise.ai/threats/cve-2026-90915-joomla-core-20260905-core-arbitrary-directory-deletion-via-cache) (info, published 29 Sep 2026)
- [CVE-2026-90914: Joomla Core XSS in generic media output layouts](https://junglewise.ai/threats/cve-2026-90914-joomla-core-20260904-core-xss-in-the-generic-media-output-layouts) (info, published 29 Sep 2026)
- [CVE-2026-90913: Joomla Core improper ACL checks in webservice endpoints](https://junglewise.ai/threats/cve-2026-90913-joomla-core-20260903-core-improper-acl-checks-for-access-level) (info, published 29 Sep 2026)
- [CVE-2026-90907: Joomla CMS authorization bypass in profile.save controller](https://junglewise.ai/threats/cve-2026-90907-joomla-core-20260902-core-unauthorized-user-account-creation-via) (info, published 29 Sep 2026)
- [CVE-2026-90906: Joomla Core cross-site scripting in HTMLHelper::link method](https://junglewise.ai/threats/cve-2026-90906-joomla-core-20260901-xss-in-htmlhelper-link-method-in-joomla-1-5) (info, published 29 Sep 2026)
- [CVE-2026-85190: Regular Labs Quick Index stored XSS via unescaped class attribute](https://junglewise.ai/threats/cve-2026-85190-regular-labs-quick-index-stored-xss-via-unescaped-class-attribute) (info, published 14 Sep 2026)
- [CVE-2026-65757: Regular Labs Modules Anywhere improper access control in editor popup](https://junglewise.ai/threats/cve-2026-65757-regular-labs-modules-anywhere-improper-access-control-in-editor) (info, published 23 Jul 2026)
- [CVE-2026-64872: Regular Labs Cache Cleaner Pro path traversal in custom purge and log paths](https://junglewise.ai/threats/cve-2026-64872-regular-labs-cache-cleaner-pro-path-traversal-in-custom-purge-and) (info, published 23 Jul 2026)
- [CVE-2018-25337: Joomla JoomOCShop CSRF in account management endpoints](https://junglewise.ai/threats/cve-2018-25337-joomla-joomocshop-csrf-in-account-management-endpoints) (medium, CVSS 4.3, published 17 May 2026)
- [CVE-2026-23899: An improper access check allows unauthorized access to webservice endpoints.](https://junglewise.ai/threats/cve-2026-23899-an-improper-access-check-allows-unauthorized-access-to-webservice) (high, CVSS 8.8, published 1 Apr 2026)
- [CVE-2026-23898: Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.](https://junglewise.ai/threats/cve-2026-23898-lack-of-input-validation-leads-to-an-arbitrary-file-deletion) (high, CVSS 7.2, published 1 Apr 2026)
- [CVE-2026-21632: Lack of output escaping for article titles leads to XSS vectors in various locations.](https://junglewise.ai/threats/cve-2026-21632-lack-of-output-escaping-for-article-titles-leads-to-xss-vectors) (medium, CVSS 5.4, published 1 Apr 2026)
- [CVE-2026-21631: Lack of output escaping leads to a XSS vector in the multilingual associations component.](https://junglewise.ai/threats/cve-2026-21631-lack-of-output-escaping-leads-to-a-xss-vector-in-the-multilingual) (medium, CVSS 5.4, published 1 Apr 2026)
- [CVE-2026-21630: Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.](https://junglewise.ai/threats/cve-2026-21630-improperly-built-order-clauses-lead-to-a-sql-injection) (high, CVSS 8.8, published 1 Apr 2026)

## Most severe Joomla! vulnerabilities

- [CVE-2023-23752: Joomla! Improper Access Control Vulnerability](https://junglewise.ai/threats/cve-2023-23752-joomla-improper-access-control-vulnerability) (critical, exploited in the wild, CVSS 5.3, published 8 Jan 2024)
- [CVE-2016-9081: Joomla! CMS account modification and password reset vulnerability](https://junglewise.ai/threats/cve-2016-9081-joomla-cms-account-modification-and-password-reset-vulnerability) (critical, CVSS 9.8, published 23 Jan 2017)
- [CVE-2026-23899: An improper access check allows unauthorized access to webservice endpoints.](https://junglewise.ai/threats/cve-2026-23899-an-improper-access-check-allows-unauthorized-access-to-webservice) (high, CVSS 8.8, published 1 Apr 2026)
- [CVE-2026-21630: Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.](https://junglewise.ai/threats/cve-2026-21630-improperly-built-order-clauses-lead-to-a-sql-injection) (high, CVSS 8.8, published 1 Apr 2026)
- [CVE-2026-21629: The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was…](https://junglewise.ai/threats/cve-2026-21629-the-ajax-component-was-excluded-from-the-default-logged-in-user) (high, CVSS 7.3, published 1 Apr 2026)
- [CVE-2026-23898: Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.](https://junglewise.ai/threats/cve-2026-23898-lack-of-input-validation-leads-to-an-arbitrary-file-deletion) (high, CVSS 7.2, published 1 Apr 2026)
- [CVE-2026-39790: VikRentCar unauthenticated cross-site scripting (XSS)](https://junglewise.ai/threats/cve-2026-39790-unauthenticated-cross-site-scripting-xss-in-vikrentcar-1-4-6) (high, CVSS 7.1, published 6 Oct 2026)
- [CVE-2026-21631: Lack of output escaping leads to a XSS vector in the multilingual associations component.](https://junglewise.ai/threats/cve-2026-21631-lack-of-output-escaping-leads-to-a-xss-vector-in-the-multilingual) (medium, CVSS 5.4, published 1 Apr 2026)
- [CVE-2026-21632: Lack of output escaping for article titles leads to XSS vectors in various locations.](https://junglewise.ai/threats/cve-2026-21632-lack-of-output-escaping-for-article-titles-leads-to-xss-vectors) (medium, CVSS 5.4, published 1 Apr 2026)
- [CVE-2018-25337: Joomla JoomOCShop CSRF in account management endpoints](https://junglewise.ai/threats/cve-2018-25337-joomla-joomocshop-csrf-in-account-management-endpoints) (medium, CVSS 4.3, published 17 May 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 17 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 15 | 0 | 0 |
| 5 Oct 2026 | 1 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Joomla! technologies

- [Joomla! Joomla](https://junglewise.ai/threats/technologies/joomla): 24 vulnerabilities
- [Joomla! Joomla CMS](https://junglewise.ai/threats/technologies/joomla-joomla-cms-1): 6 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Joomla! vulnerabilities", https://junglewise.ai/threats/vendors/joomla, 9 November 2026.