Vulnerability · Published Oct 29, 2026 · Assigned by Patchstack
CVE-2026-116866WordPress Extra Fees Plugin for WooCommerce plugin <= 4.4.0 - PHP Object Injection vulnerability
High 8.8
In plain English
A high-severity unsafe deserialization in Extra Fees Plugin for WooCommerce from Dotstore. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 78.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Contributor PHP Object Injection in Extra Fees Plugin for WooCommerce <= 4.4.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Dotstore | Extra Fees Plugin for WooCommerce | n/a – through 4.4.0 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H