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.
CVE-2026-48908
Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-07-07), indicating real-world exploitation has been confirmed by US federal agencies. the CNA's CVSS baseline 10.0 retained for reference (NVD's own analysis pending). Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 10.0
- EG Score
- 10.0(high)
- EG Risk
- 100(Act)EG Risk 100/100SSVC: Act
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity100% × 45%Exploitation100% × 40%Automatability100% × 15%Action: Fix now — active exploitation, automatable, high impact. - EPSS PROB
- 15%
- EPSS %ILE
- 96%
- KEV
- ⚠ Exploited
Published
June 20, 2026
Last Modified
August 12, 2026
Advisory Details (5)
Auto-updated Aug 26, 2026SP Page Builder - The Best Joomla Drag & Drop Page Builder - JoomShaper
https://www.joomshaper.com/page-builder[URGENT] Potential Security Vulnerability Identified In SP Page Builder (v6.1.1) - Question | JoomShaper
https://www.joomshaper.com/forum/question/45152Known Exploited Vulnerabilities Catalog | CISA
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908SP Page Builder Zero Day RCE Fixed in 6.6.2 | mySites.guru
https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/SP Page Builder, by JoomShaper - Joomla Extension Directory
https://extensions.joomla.org/extension/sp-page-builder/Vendor Advisories for CVE-2026-48908(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 52× in last 7d / 209× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 496 total refreshes for this CVE.
- 2026-08-29 18:30 UTCGHSA enrichment
- 2026-08-29 14:16 UTCGHSA enrichment
- 2026-08-29 10:02 UTCGHSA enrichment
- 2026-08-29 05:50 UTCGHSA enrichment
- 2026-08-29 01:39 UTCEG score recompute
- 2026-08-29 01:38 UTCGHSA enrichment
- 2026-08-28 21:41 UTCEPSS rescore
- 2026-08-28 21:26 UTCGHSA enrichment
- 2026-08-28 17:11 UTCGHSA enrichment
- 2026-08-28 12:56 UTCGHSA enrichment
- 2026-08-28 08:41 UTCGHSA enrichment
- 2026-08-28 04:27 UTCGHSA enrichment
- 2026-08-28 00:14 UTCGHSA enrichment
- 2026-08-27 20:02 UTCGHSA enrichment
- 2026-08-27 17:22 UTCCISA KEV update
- 2026-08-27 15:50 UTCEG score recompute
- 2026-08-27 15:50 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 11:37 UTCGHSA enrichment
- 2026-08-27 07:25 UTCGHSA enrichment
- 2026-08-27 03:12 UTCGHSA enrichment
- 2026-08-26 23:00 UTCGHSA enrichment
- 2026-08-26 18:48 UTCEG score recompute
- 2026-08-26 18:48 UTCGHSA enrichment
- 2026-08-26 17:41 UTCCISA KEV update
Show 75 moreShow fewer
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 14:35 UTCGHSA enrichment
- 2026-08-26 10:22 UTCGHSA enrichment
- 2026-08-26 06:10 UTCGHSA enrichment
- 2026-08-26 01:56 UTCGHSA enrichment
- 2026-08-25 21:44 UTCGHSA enrichment
- 2026-08-25 17:32 UTCEG score recompute
- 2026-08-25 17:32 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 13:20 UTCGHSA enrichment
- 2026-08-25 09:08 UTCGHSA enrichment
- 2026-08-25 04:56 UTCGHSA enrichment
- 2026-08-25 00:44 UTCGHSA enrichment
- 2026-08-24 20:32 UTCGHSA enrichment
- 2026-08-24 18:52 UTCCISA KEV update
- 2026-08-24 16:21 UTCEG score recompute
- 2026-08-24 16:20 UTCGHSA enrichment
- 2026-08-24 12:06 UTCEG score recompute
- 2026-08-24 12:06 UTCGHSA enrichment
- 2026-08-24 07:53 UTCGHSA enrichment
- 2026-08-24 03:41 UTCGHSA enrichment
- 2026-08-23 23:29 UTCGHSA enrichment
- 2026-08-23 19:17 UTCGHSA enrichment
- 2026-08-23 15:06 UTCGHSA enrichment
- 2026-08-23 10:53 UTCGHSA enrichment
- 2026-08-23 06:40 UTCGHSA enrichment
- 2026-08-23 02:28 UTCGHSA enrichment
- 2026-08-22 22:16 UTCGHSA enrichment
- 2026-08-22 18:04 UTCGHSA enrichment
- 2026-08-22 13:52 UTCGHSA enrichment
- 2026-08-22 09:40 UTCGHSA enrichment
- 2026-08-22 05:28 UTCGHSA enrichment
- 2026-08-22 01:16 UTCEG score recompute
- 2026-08-22 01:15 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 21:04 UTCGHSA enrichment
- 2026-08-21 16:52 UTCGHSA enrichment
- 2026-08-21 16:49 UTCCISA KEV update
- 2026-08-21 12:39 UTCGHSA enrichment
- 2026-08-21 08:27 UTCGHSA enrichment
- 2026-08-21 04:15 UTCGHSA enrichment
- 2026-08-21 00:03 UTCGHSA enrichment
- 2026-08-20 19:50 UTCGHSA enrichment
- 2026-08-20 17:06 UTCCISA KEV update
- 2026-08-20 15:37 UTCGHSA enrichment
- 2026-08-20 11:25 UTCGHSA enrichment
- 2026-08-20 07:12 UTCGHSA enrichment
- 2026-08-20 03:00 UTCGHSA enrichment
- 2026-08-19 22:48 UTCGHSA enrichment
- 2026-08-19 18:36 UTCEG score recompute
- 2026-08-19 18:36 UTCGHSA enrichment
- 2026-08-19 17:33 UTCCISA KEV update
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 14:24 UTCGHSA enrichment
- 2026-08-19 10:12 UTCGHSA enrichment
- 2026-08-19 05:58 UTCGHSA enrichment
- 2026-08-19 01:45 UTCGHSA enrichment
- 2026-08-18 21:33 UTCGHSA enrichment
- 2026-08-18 17:21 UTCGHSA enrichment
- 2026-08-18 16:58 UTCCISA KEV update
- 2026-08-18 13:10 UTCGHSA enrichment
- 2026-08-18 08:56 UTCGHSA enrichment
- 2026-08-18 04:44 UTCGHSA enrichment
- 2026-08-18 00:32 UTCGHSA enrichment
- 2026-08-17 20:18 UTCGHSA enrichment
- 2026-08-17 16:06 UTCEG score recompute
- 2026-08-17 16:06 UTCGHSA enrichment
- 2026-08-17 13:56 UTCCISA KEV update
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 11:54 UTCGHSA enrichment
- 2026-08-17 07:42 UTCGHSA enrichment
- 2026-08-17 03:30 UTCGHSA enrichment
- 2026-08-16 23:18 UTCGHSA enrichment
- 2026-08-16 19:06 UTCGHSA enrichment
- 2026-08-16 14:54 UTCGHSA enrichment
Publicly available exploits
(6 references)Working exploit code is in the public domain (5 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCyora1928/CVE-2026-48908-by-yoraFirst seen Aug 12, 2026
Passive security checker for CVE-2026-48908 affecting SP Page Builder.
Open source ↗ - GitHub PoCimXur/CVE-2026-48908-Joomla-SP-Page-Builder-RCEFirst seen Jul 25, 2026
Technical analysis and advisory for CVE-2026-48908: Unauthenticated Arbitrary File Upload to RCE in JoomShaper SP Page Builder.
Open source ↗ - GitHub PoCJenderal92/CVE-2026-48908First seen Jul 7, 2026
CVE-2026-48908 — PoC exploit for unauthenticated RCE in SP Page Builder (Joomla) via arbitrary file upload. Multi‑threaded, case‑bypass, shell verification. For authorized security testing only.
Open source ↗ - GitHub PoC0xBlackash/CVE-2026-48908First seen Jun 24, 2026
CVE-2026-48908
Open source ↗ - GitHub PoCpapageo75/CVE-2026-48908-PoCFirst seen Jun 22, 2026
Unauthenticated RCE PoC for CVE-2026-48908 — SP Page Builder for Joomla (≤ 6.6.1): arbitrary file upload via asset.uploadCustomIcon. Self-cleaning, token-guarded. Authorized testing only.
Open source ↗ - Nucleijavascript/cves/2026/CVE-2026-48908.yamlFirst seen Jan 1, 2026
Joomla SP Page Builder <= 6.6.1 - Unauthenticated Arbitrary File Upload RCE
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-434
Frequently asked(6)
What is CVE-2026-48908?
When was CVE-2026-48908 disclosed?
Is CVE-2026-48908 actively exploited?
What is the CVSS score of CVE-2026-48908?
Which products are affected by CVE-2026-48908?
How do I remediate CVE-2026-48908?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-48908
Is Your Infrastructure Affected by CVE-2026-48908?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.