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
- 97%
- KEV
- ⚠ Exploited
Published
June 20, 2026
Last Modified
August 12, 2026
Advisory Details (5)
Auto-updated Sep 16, 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 53× in last 7d / 230× 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 672 total refreshes for this CVE.
- 2026-09-21 14:15 UTCGHSA enrichment
- 2026-09-21 10:03 UTCGHSA enrichment
- 2026-09-21 05:51 UTCGHSA enrichment
- 2026-09-21 01:39 UTCGHSA enrichment
- 2026-09-20 21:26 UTCGHSA enrichment
- 2026-09-20 17:14 UTCGHSA enrichment
- 2026-09-20 13:02 UTCGHSA enrichment
- 2026-09-20 08:48 UTCGHSA enrichment
- 2026-09-20 04:36 UTCGHSA enrichment
- 2026-09-20 00:24 UTCGHSA enrichment
- 2026-09-19 20:12 UTCGHSA enrichment
- 2026-09-19 16:00 UTCEG score recompute
- 2026-09-19 16:00 UTCGHSA enrichment
- 2026-09-19 11:48 UTCGHSA enrichment
- 2026-09-19 07:35 UTCGHSA enrichment
- 2026-09-19 03:22 UTCGHSA enrichment
- 2026-09-18 23:10 UTCEG score recompute
- 2026-09-18 23:10 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 19:20 UTCCISA KEV update
- 2026-09-18 18:58 UTCGHSA enrichment
- 2026-09-18 14:46 UTCGHSA enrichment
- 2026-09-18 14:15 UTCCISA KEV update
- 2026-09-18 10:33 UTCGHSA enrichment
- 2026-09-18 06:20 UTCGHSA enrichment
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- 2026-09-18 02:08 UTCGHSA enrichment
- 2026-09-17 21:56 UTCEG score recompute
- 2026-09-17 21:56 UTCGHSA enrichment
- 2026-09-17 17:44 UTCGHSA enrichment
- 2026-09-17 13:32 UTCGHSA enrichment
- 2026-09-17 09:20 UTCGHSA enrichment
- 2026-09-17 05:08 UTCGHSA enrichment
- 2026-09-17 00:56 UTCGHSA enrichment
- 2026-09-16 20:43 UTCGHSA enrichment
- 2026-09-16 16:19 UTCEG score recompute
- 2026-09-16 16:18 UTCGHSA enrichment
- 2026-09-16 14:10 UTCCISA KEV update
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 12:06 UTCGHSA enrichment
- 2026-09-16 07:54 UTCEG score recompute
- 2026-09-16 07:54 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-16 03:42 UTCGHSA enrichment
- 2026-09-15 23:30 UTCGHSA enrichment
- 2026-09-15 19:18 UTCGHSA enrichment
- 2026-09-15 15:06 UTCGHSA enrichment
- 2026-09-15 10:53 UTCGHSA enrichment
- 2026-09-15 06:41 UTCEG score recompute
- 2026-09-15 06:41 UTCGHSA enrichment
- 2026-09-15 02:28 UTCGHSA enrichment
- 2026-09-14 22:14 UTCGHSA enrichment
- 2026-09-14 19:24 UTCCISA KEV update
- 2026-09-14 18:01 UTCGHSA enrichment
- 2026-09-14 13:49 UTCGHSA enrichment
- 2026-09-14 09:37 UTCGHSA enrichment
- 2026-09-14 05:25 UTCGHSA enrichment
- 2026-09-14 01:13 UTCGHSA enrichment
- 2026-09-13 21:01 UTCGHSA enrichment
- 2026-09-13 16:49 UTCGHSA enrichment
- 2026-09-13 12:37 UTCGHSA enrichment
- 2026-09-13 08:24 UTCGHSA enrichment
- 2026-09-13 04:13 UTCGHSA enrichment
- 2026-09-13 00:01 UTCGHSA enrichment
- 2026-09-12 19:49 UTCGHSA enrichment
- 2026-09-12 15:36 UTCEG score recompute
- 2026-09-12 15:36 UTCGHSA enrichment
- 2026-09-12 11:24 UTCGHSA enrichment
- 2026-09-12 07:12 UTCGHSA enrichment
- 2026-09-12 03:00 UTCGHSA enrichment
- 2026-09-11 22:47 UTCGHSA enrichment
- 2026-09-11 18:49 UTCCISA KEV update
- 2026-09-11 18:35 UTCEG score recompute
- 2026-09-11 18:35 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 14:23 UTCGHSA enrichment
- 2026-09-11 10:11 UTCEG score recompute
- 2026-09-11 10:10 UTCGHSA enrichment
- 2026-09-11 05:58 UTCGHSA enrichment
- 2026-09-11 01:46 UTCGHSA enrichment
- 2026-09-10 21:34 UTCGHSA enrichment
- 2026-09-10 19:28 UTCCISA KEV update
- 2026-09-10 17:22 UTCGHSA enrichment
- 2026-09-10 13:09 UTCEG score recompute
- 2026-09-10 13:09 UTCGHSA enrichment
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-10 08:57 UTCGHSA enrichment
- 2026-09-10 04:43 UTCGHSA enrichment
- 2026-09-10 00:31 UTCGHSA enrichment
- 2026-09-09 20:19 UTCGHSA enrichment
- 2026-09-09 19:08 UTCCISA KEV update
- 2026-09-09 16:07 UTCGHSA enrichment
- 2026-09-09 11:54 UTCGHSA enrichment
- 2026-09-09 07:41 UTCGHSA enrichment
- 2026-09-09 03:29 UTCGHSA enrichment
- 2026-09-08 23:17 UTCEG score recompute
- 2026-09-08 23:17 UTCGHSA enrichment
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-08 19:05 UTCGHSA enrichment
- 2026-09-08 18:54 UTCCISA KEV update
- 2026-09-08 14:51 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)
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
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