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 17, 2026, 2:06 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| 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 32 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/ | Product |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48907 | US Government Resource |
| https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites | Release Notes Vendor Advisory |
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).
CVE-2026-48907 - Joomla JCE Editor Unauthenticated RCE - PoC & Analysis | CVSS 9.8 CRITICAL | AMN SECURITY
Python
None
Large Scale Exploitation Campaign against CMS devices reported in July 2026
nuclei wordpress active-exploitation
None
Python PHP
None
Shell PHP Dockerfile
Chat history with Aura - Bell & Naza
Python & template nuclei
Python
주요 CVE 분석
CVE-2026-48907 PoC
Python
POC for CVE-2026-48907
cve-2026-48907 joomla poc proof-of-concept pssec pssec-io
PHP
CVE-2026-48907 – Joomla JCE Unauthenticated Remote Code Execution (RCE)
exploit joomla joomla-rce poc proof-of-concept rce cve-2026-48907
Python
mass deface exploit 2026 com_jce
Python
cve-2026-48907 scanner
Python
None
Python
CVE-2026-48907 is a CVSS 10.0 pre-auth RCE in Joomla Content Editor affecting all versions ≤ 2.9.99.4. The Grayxploit team breaks down the 3-weakness chain — missing auth, no extension validation, and an unsafe upload flag — that lets attackers pop a shell in 3 HTTP requests.
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.
-
The Cyber Express
CISA Warns of Actively Exploited Joomla Zero-Day Vulnerabilities
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2026-48939 and CVE-2026-56291 to its Known Exploited Vulnerabilities (KEV) catalog after reports confirmed active zero-da ... Read more
-
The Hacker News
iCagenda and Balbooa Forms Joomla Flaws Reportedly Exploited as Zero-Days
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two maximum-severity security flaws impacting iCagenda and Balbooa extensions for Joomla to its Known Exploited Vulnerabiliti ... Read more
-
The Hacker News
Exposed Hacker Server Reveals WP-SHELLSTORM Backdooring Thousands of WordPress Sites
A cybercrime crew left one of its own servers wide open on the internet for three weeks, and it exposed the operation's inner workings: the hacking tools, the activity logs, and target lists naming mo ... Read more
-
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
-
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
-
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
-
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
-
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.
-
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Jun. 17, 2026
Action Type Old Value New Value Added Date Added 2026-06-16 Added Due Date 2026-06-16 Added Required Action 2026-06-16 Added Vulnerability Name 2026-06-16 -
Initial Analysis by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:widgetfactorylimited:jce:*:*:*:*:*:joomla!:*:* versions up to (excluding) 2.9.99.5 Added Reference Type Joomla! Project: https://www.joomlacontenteditor.net/ Types: Product Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48907 Types: US Government Resource Added Reference Type CISA-ADP: https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites Types: Release Notes, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Changed SSVC {'id': 'CVE-2026-48907', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-16T19:54:35.265708Z'} {'id': 'CVE-2026-48907', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-16T00:00:00+00:00'} -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'joomlacontenteditor.net', 'product': 'Joomla Content Editor (JCE) extension for Joomla', 'versions': [{'status': 'affected', 'version': '1.0.0-2.9.99.4'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48907 Added SSVC {'id': 'CVE-2026-48907', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-16T19:54:35.265708Z'} -
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/