KEV Intelligence

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2026-48907

Joomla Content Editor (JCE) extension for Joomla Remote Code Execution

joomlacontenteditor.net / Joomla Content Editor (JCE) extension for Joomla · 1.0.0-2.9.99.4

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Severity
CVSS 10.0 · Critical
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
68.8%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-48907 is an unauthenticated vulnerability affecting joomlacontenteditor.net Joomla Content Editor (JCE) extension for Joomla. A vulnerability in the JCE editor extension for Joomla allows the creation of new...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

joomlacontenteditor.net / Joomla Content Editor (JCE) extension for Joomla 1.0.0-2.9.99.4.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Joomla Content Editor (JCE) extension for Joomla Remote Code Execution

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.

Vendor Product Affected Status
joomlacontenteditor.net Joomla Content Editor (JCE) extension for Joomla 1.0.0-2.9.99.4 Affected
Published
05 Jun 2026
Exploitation Reported
16 Jun 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

joomla php dotnet cisa nuclei_scanner

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 16 Jun 2026

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

GitHub

Recorded 09 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CISA First 2026-06-16 00:00 UTC
CVE 2026-06-16 20:40 UTC
All CISA Advisories 2026-06-16 21:20 UTC
TheHackerNews 2026-06-17 07:20 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-48907.yaml 15 Jun 2026

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red

EPSS

68.8%

Weaknesses

Improper Access Control CWE-284

Recent mention · Rapid7

Metasploit Wrap Up: Lot of summer shells and fit http profiles

This wrap-up brings a full-on shell parade. Thirteen shiny new modules landed, starting with a buffet of RCEs. WordPress WP2Shell, Ghost CMS, Joomla JCE, Langflow, OpenCATS, Pterodactyl Panel, SonicWall SMA1000, Ray Dashboard, a Pix-for-WooCommerce, and for those who like...

Read full advisory

All Mentions

Recent mention · Rapid7

Metasploit Wrap Up: Lot of summer shells and fit http profiles

Rapid7 · 14 Aug 2026

This wrap-up brings a full-on shell parade. Thirteen shiny new modules landed, starting with a buffet of RCEs. WordPress WP2Shell, Ghost CMS, Joomla JCE, Langflow, OpenCATS, Pterodactyl Panel, SonicWall SMA1000, Ray Dashboard, a Pix-for-WooCommerce, and for those who like their exploits closer to the bare-metal, the Fragnesia Linux kernel LPE (CVE-2026-46300). Metasploit also got the glow-up of the summer with the new http malleable profiles, MCP functionality and linux multi fetch payloads (more details on the [official 6.5 release blog...

Recent mention · DarkWebInformer

Pre-Auth RCE in Joomla Content Editor: Profile Import to PHP Execution (CVE-2026-48907)

DarkWebInformer · 17 Jun 2026

CVE-2026-48907 is a critical unauthenticated remote code execution flaw in the Joomla Content Editor (JCE), the most widely installed editor extension for Joomla.

Recent mention · TheHackerNews

CISA Warns of Actively Exploited Joomla JCE Flaw Allowing PHP Code Execution

TheHackerNews · 17 Jun 2026

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 Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-48907 (CVSS score: 10.0), is a case of improper access control that could facilitate arbitrary

Recent mention · All CISA Advisories

CISA Adds One Known Exploited Vulnerability to Catalog

All CISA Advisories · 16 Jun 2026

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-48907 Widget Factory Joomla Content Editor Improper Access Control Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies, updating BOD 22-01. BOD 26-04 reinforces...

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Joomla! JCE extension < 2.9.99.5 unauthenticated RCE

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. KEV confirmed by TheHackerNews

    Exploitation attested by an external source

  2. KEV confirmed by All CISA Advisories

    Exploitation attested by an external source

  3. KEV confirmed by CVE

    Exploitation attested by an external source

  4. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  5. Public PoC available

    Public proof-of-concept code published

  6. Nuclei template available

    Scanner coverage available

  7. CVE published

    Vulnerability disclosed publicly

  8. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-48907

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2026-48907",
  "confidence": "Confirmed",
  "cvss_score": 10.0,
  "cvss_estimated": false,
  "epss_score": 0.6883,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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