---
title: "CVE-2026-78088: The Contest Gallery WordPress - Arbitrary File Overwrite"
description: "The Contest Gallery WordPress plugin <= 32.0.1 contains an arbitrary file overwrite vulnerability caused by insufficient file path validation in the 'baseUrlForFacebook' parameter, letting authenticated subscribers overwrite files potentially leading to remote code execution, exploit requires subscriber-level access or higher."
url: https://panop.io/threat-heartbeat/CVE-2026-78088/
---

# CVE-2026-78088 The Contest Gallery WordPress - Arbitrary File Overwrite

The Contest Gallery WordPress plugin <= 32.0.1 contains an arbitrary file overwrite vulnerability caused by insufficient file path validation in the 'baseUrlForFacebook' parameter, letting authenticated subscribers overwrite files potentially leading to remote code execution, exploit requires subscriber-level access or higher.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.79% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-78088)

## Details

Type

Arbitrary File Overwrite

Impact

File System Write, Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-434](https://cwe.mitre.org/data/definitions/434.html)

## Vendor fix

Update to the latest version beyond 32.0.1.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-78088](https://nvd.nist.gov/vuln/detail/CVE-2026-78088)
- [https://plugins.trac.wordpress.org/changeset?old\_path=/contest-gallery/tags/32.0.1/v10/v10-admin/gallery/change-gallery/1\_content-fb-like.php&new\_path=/contest-gallery/tags/33.0.0/v10/v10-admin/gallery/change-gallery/1\_content-fb-like.php](https://plugins.trac.wordpress.org/changeset?old_path=/contest-gallery/tags/32.0.1/v10/v10-admin/gallery/change-gallery/1_content-fb-like.php&new_path=/contest-gallery/tags/33.0.0/v10/v10-admin/gallery/change-gallery/1_content-fb-like.php)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/af2115ba-5573-41ce-8d5a-58c57c65c75a?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/af2115ba-5573-41ce-8d5a-58c57c65c75a?source=cve)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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