CVE-2026-81564
Received Received - Intake

Arbitrary File Rename in SP Page Builder Joomla Extension

Vulnerability report for CVE-2026-81564, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Joomla! Project

Description

Joomla Extension - joomshaper.com - Missing Directory Confinement in Media Rename Allowing Arbitrary File Rename in SP Page Builder (Free and Pro) 4.0.0 - 6.9.0 - The media rename task applied neither of the directory boundary checks used by the folder operations in the same controller, and its validation guard required only that either a media record exist for the supplied identifier or that the supplied path be present in #__spmedia, rather than both. The identifier and the path were consequently never checked against one another, so any valid media identifier could be paired with an unrelated filesystem path, and the STR input filter left traversal sequences intact. An attacker could rename files elsewhere in the installation, including renaming configuration.php to take the site offline.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-14
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
joomshaper sp_page_builder From 4.0.0 (inc) to 6.9.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in the SP Page Builder extension for Joomla (versions 4.0.0 to 6.9.0). It allows an attacker to rename files outside the intended directory by exploiting missing directory checks in the media rename function. The system did not properly validate that the file identifier matched the target path, enabling file renaming attacks including overwriting critical files like configuration.php.

Impact Analysis

An attacker could exploit this to rename arbitrary files on your Joomla installation. This could allow them to take your website offline by renaming configuration.php, modify or replace files to gain control, or disrupt site functionality. The attack requires some access but could be combined with other vulnerabilities.

Mitigation Strategies

Update SP Page Builder to version 6.9.1 or later to address the missing directory confinement issue in the media rename functionality.

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EPSS Chart