---
title: "Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers - Insecure Deserialization"
description: "Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers WordPress plugin <= 3.7.4 contains a PHP Object Injection caused by deserialization of untrusted input, letting unauthenticated attackers inject PHP objects if a POP chain is present in other plugins/themes, exploit requires presence of a POP chain in other installed plugins or themes."
url: https://panop.io/threat-heartbeat/CVE-2026-104730/
---

# CVE-2026-104730 Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers - Insecure Deserialization

Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers WordPress plugin <= 3.7.4 contains a PHP Object Injection caused by deserialization of untrusted input, letting unauthenticated attackers inject PHP objects if a POP chain is present in other plugins/themes, exploit requires presence of a POP chain in other installed plugins or themes.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-104730)

## Details

Type

Insecure Deserialization

Impact

Remote Code Execution, Data Tampering, Information Disclosure

CVSS vector

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

Published

16 October 2026

Updated

16 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Update to the latest version beyond 3.7.4.

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-2026-104730](https://nvd.nist.gov/vuln/detail/CVE-2026-104730)
- [https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-session.php#L164](https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-session.php#L164)
- [https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-session.php#L186](https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-session.php#L186)
- [https://plugins.trac.wordpress.org/changeset?reponame=&old=3744492%40sunshine-photo-cart&new=3744492%40sunshine-photo-cart](https://plugins.trac.wordpress.org/changeset?reponame=&old=3744492%40sunshine-photo-cart&new=3744492%40sunshine-photo-cart)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/b6f6b29e-1678-486c-a955-23d9247af0b5?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/b6f6b29e-1678-486c-a955-23d9247af0b5?source=cve)
- [https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-frontend.php#L195](https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-frontend.php#L195)
- [https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-image.php#L177](https://plugins.trac.wordpress.org/browser/sunshine-photo-cart/tags/3.7.3/includes/class-image.php#L177)

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## 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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