HOMEVULNERABILITIESCVE-2026-48907
CRITICALCISA KEVIN THE WILD

CVE-2026-48907

CWE-284Published: June 5, 2026· Updated: Jun 17, 2026

9.8
CVSS v3.1
EPSS:0.11%probability of exploitation in 30 daysPercentile:29.0th

Official 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.

NVD Source

Risk Analysis

This critical vulnerability in the JCE editor extension for Joomla allows unauthenticated users to create new editor profiles. With a perfect CVSS score of 10.0, this flaw can lead to PHP code upload and execution, resulting in complete system compromise. It is confirmed to be actively exploited, requiring immediate attention.

This vulnerability is actively being exploited in the wild. It is remotely exploitable over the network with low attack complexity and requires no authentication.

Recommended Action

Update the JCE editor extension for Joomla to a patched version. Implement strict access controls and regularly review user permissions on Joomla installations.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-48907 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CISA has added CVE-2026-48907 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

jce
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

News & Research Mentioning CVE-2026-48907

CISA Warns of Actively Exploited Joomla JCE Flaw Allowing PHP Code Execution
The Hacker News· Jun 17, 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 [xlite_meta score:56 src:The Hacker News xlite_fp:567fc325777df7deadccfecc5c932cb10f3174b6d80adf2ab84bf3cb0bd5719c]

CISA Adds One Known Exploited Vulnerability to Catalog
CISA Alerts· Jun 16, 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 the importance of the KEV catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common V [xlite_meta score:48 src:CISA Alerts xlite_fp:3d84dbba07cc2ff81925c49cc7928ee073d5411e6df370e944886052fa090664]

All References (3)

Quick Facts

CVE IDCVE-2026-48907
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-284
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
EPSS (30d)0.11%
Affected1 vendor(s)
PublishedJun 5, 2026

Related CVEs (CWE-284)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-48907 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
  • !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
  • !Active exploitation confirmed — treat as P1
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.