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 ↗

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

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

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