CVE-2026-48908 — A vulnerability in SP Page Builder for Joomla allows unauthenticated users to up

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.

01What is this vulnerability?

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.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2026-07-07. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-06-20T13:16:42.080
• Last modified: 2026-07-08T05:16:27.780
• Added to CISA KEV: 2026-07-07

09References

• www.joomshaper.com — https://www.joomshaper.com/page-builder
• extensions.joomla.org — https://extensions.joomla.org/extension/sp-page-builder/
• mysites.guru — https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/
• www.cisa.gov — https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-…
• www.joomshaper.com — https://www.joomshaper.com/forum/question/45152