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Vulnerabilities / CVE-2026-48907

CVE-2026-48907

Published 2026-06-05 · published (not yet in NVD)

CVE-2026-48907

Joomla Extension - joomlacontenteditor.net - Remote Code Execution in JCE extension for Joomla < 2.9.99.5

Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-06-16, with a fix-by date of 2026-06-19. Patch it first.

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.

10.0 CRITICAL
CVSS 4.0 · CNA
85%
chance of exploitation in the next 30 days (EPSS; in the top 1% of all CVEs)

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.

Scores

Affected products

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

Weakness: CWE-284

1 references (advisories, patches, write-ups)

Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.

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