Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-48908

CVE-2026-48908CRITICAL

joomshaper.net SP Page Builder extension for Joomla — Joomla Extension - joomshaper.com - Remote Code Execution in SP Pagebuilder extension for Joomla < 6.6.2

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   H   H   10.0   .8851   99.8   YES

AFFECTED
  Product                               Versions       Fixed
  SP Page Builder extension for Joomla  1.0.0-6.6.1 –  —

TIMELINE
  May 26  Reserved by Joomla
  Jul 7   Added to CISA KEV, remediation due 2026-07-10
  Jul 7   Published (CNA: Joomla)
  Jul 11  DUE DATE PASSED — CVE-2026-48908 (joomshaper.net SP Page Builder extension for Joomla). CISA remediation deadline was July 10, 2026; still in catalog.

CWE-434 · CNA: Joomla · CVSS v4.0 · 5 references · NVD status: Analyzed · KEV due July 10, 2026

Description

A vulnerability in SP Page Builder for Joomla allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
May 26, 2026	Reserved	Reserved by Joomla
July 7, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-07-10
July 7, 2026	Published	Published (CNA: Joomla)
July 11, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-48908 (joomshaper.net SP Page Builder extension for Joomla). CISA remediation deadline was July 10, 2026; still in catalog.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
joomshaper.net	SP Page Builder extension for Joomla	—	1.0.0-6.6.1	—

Weaknesses

CWE-434

References (5)

https://extensions.joomla.org/extension/sp-page-builder/ [Product]
https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/ [Third Party Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908 [US Government Resource]
https://www.joomshaper.com/forum/question/45152 [Issue Tracking]
https://www.joomshaper.com/page-builder [Product]

Authoritative record: CVE-2026-48908 at cve.org

Vendors: joomshaper.net

Weaknesses: CWE-434

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-48908 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.