EUVD-2026-77381
GHSA-33cr-4p77-f2mf
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible admin panel, no complexity beyond auth; PR:H for required backend access; scope change because rename crosses media directory boundary into broader filesystem.
Primary rating from Vendor (joomla).
CVSS VectorVendor: joomla
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Arbitrary file rename across the Joomla filesystem is possible in SP Page Builder (Free and Pro) versions 4.0.0 through 6.9.0 due to missing directory confinement in the media rename controller task. Authenticated administrators or users with media management permissions can pair any valid media identifier with an unrelated filesystem path, bypassing the boundary checks that protect other folder operations in the same controller. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated Joomla backend session with sufficient privilege to access the SP Page Builder media management interface - corresponding to the PR:H metric in the CVSS 4.0 vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 7.0 with vector AV:N/AC:L/AT:N/PR:H reflects a network-reachable flaw requiring high privilege, which is appropriate - exploitation demands a logged-in admin or editor-level account with access to the SP Page Builder media manager. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update SP Page Builder (Free or Pro) to a version above 6.9.0 as released by joomshaper.com; the vendor advisory and patch are referenced via the product page at https://www.joomshaper.com/joomla-extensions/sp-page-builder-pro. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Joomla instances running SP Page Builder 4.0.0 through 6.9.0 and audit which users hold media management permissions; disable the plugin immediately if non-essential to eliminate the attack surface. …
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External POC / Exploit Code
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