CVE-2026-48907
Widget Factory Joomla Content Editor Improper Access Control Vulnerability - [Actively Exploited]
Description
A vulnerability in the JCE editor extension for Joomla allows the creation of new editor profiles for unauthenticated users, ultimately resulting in PHP code upload and execution.
INFO
Published Date :
June 5, 2026, 8:16 a.m.
Last Modified :
June 16, 2026, 8:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Widget Factory Joomla Content Editor contains an improper access control vulnerability which could allow for upload and execution of PHP code via the creation of new editor profiles for unauthenticated users.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Unknown
https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites ; https://www.joomlacontenteditor.net/support/changelog/editor ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-48907
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 6ff30186-7fb7-4ad9-be33-533e7b05e586 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Apply available patches for the JCE editor extension.
- Restrict profile creation to authenticated users.
- Validate uploaded file types and content.
- Review server configurations for security.
Public PoC/Exploit Available at Github
CVE-2026-48907 has a 13 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-48907.
| URL | Resource |
|---|---|
| https://www.joomlacontenteditor.net/ | |
| https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-48907 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-48907
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
ASP.NET Framework E2E test corpus: 0x7556_wolfshell
ASP.NET C# PowerShell Python
CVE-2025-48907 - Unauthenticated RCE exploit for Joomla JCE < 2.9.99.5
Python
None
Python
Defensive lab validation and SOC detection guidance for CVE-2026-48907 in Joomla JCE <= 2.9.99.4, including Apache/Joomla/auditd telemetry, webshell artifacts, Sigma rules, MITRE ATT&CK mapping and mitigation recommendations.
CVE-2026-48907 is a critical improper access control vulnerability in the JCE editor extension for Joomla. It allows unauthenticated attackers to create new editor profiles, which can ultimately lead to arbitrary PHP file upload and remote code execution on affected systems
Python
CVE-2026-48907
Python Shell
None
HTML CSS JavaScript
None
Python
None
Python
CVE-2026-48907
Python
None
Python
PoC for CVE-2026-48907 - Joomla! JCE extension < 2.9.99.5 unauthenticated RCE
Shell Python
CVE-2026-48907: Unauthenticated RCE in JCE (Proof Of Concept)
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-48907 vulnerability anywhere in the article.
-
security.nl
Duizenden Joomla-websites bevatten actief misbruikt RCE-lek in JCE-editor
Duizenden Joomla websites die gebruikmaken van de Joomla Content Editor (JCE) bevatten een kritieke kwetsbaarheid waar aanvallers actief misbruik van maken en ervoor zorgt dat sites volledig zijn over ... Read more
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The Cyber Express
The Cyber Express Weekly Roundup: Cybersecurity Weekly Round on Emerging Threats, Data Breaches, and Global Policy Shifts
This week’s weekly roundup of cybersecurity developments highlights an expanding intersection of cyber risk, regulatory action, and enterprise vulnerability. Across healthcare, technology platforms, g ... Read more
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The Cyber Express
CVE-2026-48907 and LiteSpeed cPanel Plugin Flaws Come Under Active Attack
Security researchers and software vendors warn that attackers are actively exploiting vulnerabilities in both Joomla and the LiteSpeed cPanel plugin, posing significant risks to website administrators ... Read more
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security.nl
Joomla-websites aangevallen via kritiek beveiligingslek in JCE-editor
Een kritieke kwetsbaarheid in de Joomla Content Editor (JCE) wordt actief misbruikt om Joomla-websites mee aan te vallen, zo waarschuwen de ontwikkelaars en de Amerikaanse en Italiaanse autoriteiten. ... Read more
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The Hacker News
CISA Warns of Actively Exploited Joomla JCE Flaw Allowing PHP Code Execution
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a maximum-severity security flaw impacting Widget Factory Joomla Content Editor (JCE) to its Known Exploited Vulnerabi ... Read more
The following table lists the changes that have been made to the
CVE-2026-48907 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 16, 2026
Action Type Old Value New Value Added Reference https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites -
New CVE Received by [email protected]
Jun. 05, 2026
Action Type Old Value New Value Added Description A vulnerability in the JCE editor extension for Joomla allows the creation of new editor profiles for unauthenticated users, ultimately resulting in PHP code upload and execution. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red Added CWE CWE-284 Added Reference https://www.joomlacontenteditor.net/