Exploited vulnerability · CISA KEV

Is CVE-2026-48907 exploited? Yes: in CISA KEV since 16 Jun 2026

Gociux · Widget Factory Joomla Content Editor · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2026-48907, Widget Factory Joomla Content Editor Improper Access Control Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 16 Jun 2026, 11 days after it was published. It affects Widget Factory Joomla Content Editor. If you run it, CISA's required action is: 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.

What it is

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.

What to do

1. Check whether you run it. Look for Joomla Content Editor in your asset inventory, including appliances and cloud images. Stack check lists every exploited Widget Factory CVE at once.
2. Apply the fix. 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.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 5 Jun 2026.
4. Get told next time. Email alerts when CISA adds a CVE for Widget Factory.

References

• www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites
• www.joomlacontenteditor.net/support/changelog/editor
• nvd.nist.gov/vuln/detail/CVE-2026-48907

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in June 2026 · act-now radar.