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CVE-2026-104730

CRITICAL
9.8NVD

Summary

generated automatically from NVD data

The Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers plugin for WordPress, in versions up to and including 3.7.4, is affected by PHP Object Injection (CWE-502) caused by deserialization of untrusted input. Unauthenticated attackers can store a malicious payload through the public favorites page and trigger it by viewing an image in a non-viewable or private gallery. The plugin has no known POP chain, so impact depends on another installed plugin or theme providing one, which could allow file deletion, data theft, or code execution. The CVSS v3.1 score is 9.8 (CRITICAL).

NVD description

The Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.7.4 via deserialization of untrusted input . This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present. If a POP chain is present via an additional plugin or theme installed on the target system, the attacker can store the malicious payload unauthenticated via the public favorites page and trigger deserialization by viewing any image in a non-viewable or private gallery.

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EPSS · FIRST.org

0.51%probability of exploitation in the next 30 days

Higher than 42% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.

In-depth analysis on cveo.tech

We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.

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