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THREAT OPS › Threat News › [NVD] CVE-2026-19887 (HIGH 8.8) — The Welcart e-Commerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.12.1 via deserialization of untrusted input in the Telecom EDY payment callback (usces_action_acting_transaction). Unauthenticated attackers can store arbitra

[NVD] CVE-2026-19887 (HIGH 8.8) — The Welcart e-Commerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.12.1 via deserialization of untrusted input in the Telecom EDY payment callback (usces_action_acting_transaction). Unauthenticated attackers can store arbitra

mednvdPublished 2026-09-05

CVE-2026-19887 CVSS: 8.8 HIGH Published: 2026-09-05T07:17:11.657

The Welcart e-Commerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.12.1 via deserialization of untrusted input in the Telecom EDY payment callback (usces_action_acting_transaction). Unauthenticated attackers can store arbitrary 'reserve' key/value pairs as order metadata during

MITRE ATT&CK techniques

File DeletionT1070.004

Indicators of compromise

CVE-2026-19887cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-19887