EUVD-2026-83662
GHSA-j73p-vqpx-6v96
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Requires an admin-delegated gallery-management role (PR:H) over the network with no user interaction; arbitrary file write yields RCE giving full C/I/A impact on the host.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
7DescriptionCVE.org
The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not correctly validate the extensions of files extracted from an uploaded archive, due to a variable being reused as a loop counter so that the check always passes, allowing users granted its gallery-management capability by an administrator to write arbitrary files into a web-accessible directory and, on hosts that execute them, run arbitrary code.
Articles & Coverage 1
AnalysisAI
Arbitrary file write - escalating to remote code execution on hosts that execute PHP from upload directories - affects the WordPress plugin Photo Gallery, Sliders, Proofing and Themes in all versions before 4.5.0. The flaw sits in the archive-extraction routine: a variable is reused as a loop counter, so the filename-extension check always passes and a user who has been granted the plugin's gallery-management capability by an administrator can place an attacker-controlled file (including a .php payload) into a web-accessible gallery directory; the CVSS vector (PR:H, UI:N) confirms this is an authenticated, elevated-privilege path rather than a subscriber or anonymous one. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress account that an administrator has explicitly granted the plugin's gallery-management capability (PR:H) - this is not a default subscriber or unauthenticated path. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine mid-to-high priority finding for sites running the affected plugin, but its severity is meaningfully gated by privilege. … 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 | Vendor-released patch: upgrade the plugin to version 4.5.0 or later, which is the fix line identified in the advisory and in the EUVD affected range (<4.5.0); verify the update through the WordPress plugin dashboard or the WPScan advisory at https://wpscan.com/vulnerability/7c1443ae-14b4-43ca-bb1a-b6a3f9b27c57/. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all WordPress installations for the Photo Gallery, Sliders, Proofing and Themes plugin and update any instance running a version before 4.5.0 to version 4.5.0 or later (Vendor-released patch: 4.5.0); if immediate patching is not possible, temporarily disable the plugin or revoke the gallery-management capability from all non-administrator roles and restrict it to trusted administrators only. …
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