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CVE-2026-104730— Sunshine Photo Cart <= 3.7.4 - Unauthenticated PHP Object Injection via 'key' Parameter

Quick assessment

Affected
sunshinephotocart Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件"Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers"在所有 3.7.4 及更早版本中存在 PHP 对象注入漏洞，该漏洞源于对不可信输入的反序列化操作。这使得未认证的攻击者能够注入 PHP 对象。目前，该漏洞软件本身不存在已知的 PHP 对象利用链（POP 链），因此该漏洞本身不会造成实际影响，除非目标站点同时安装了包含 POP 链的其他插件或主题。 若目标系统上已安装包含 POP 链的额

CVSS 9.8 · Critical EPSS 0.51% · P42

Affected Version Matrix 1

VendorProduct Version RangeStatus
sunshinephotocart Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers ≤ 3.7.4 affected
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I. Basic Information for CVE-2026-104730

Vulnerability Information
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Vulnerability Title
Sunshine Photo Cart <= 3.7.4 - Unauthenticated PHP Object Injection via 'key' Parameter
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
sunshinephotocart Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers 0 ~ 3.7.4 -

II. Public POCs for CVE-2026-104730

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III. Intelligence Information for CVE-2026-104730

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Patches & Fixes for CVE-2026-104730 (1)

Vendor Pages for CVE-2026-104730 (2)

Other References for CVE-2026-104730 (2)

IV. Related Vulnerabilities

Same product: Sunshine Photo Cart – Client Photo Gallery & Photo Proofing for Photographers
Same vendor: sunshinephotocart
Same weakness: CWE-502

V. Comments for CVE-2026-104730

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