WordPress Advanced Product Fields (Product Addons) for WooCommerce plugin <= 1.6.19 - PHP Object Injection vulnerability

published 2026-06-15 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-36946

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

Shop manager PHP Object Injection in Advanced Product Fields (Product Addons) for WooCommerce <= 1.6.19 versions.

Patch / fix

fixed in 1

Wombat Plugins Advanced Product Fields (Product Addons) for WooCommerce 1.6.20

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 4 mo ago (2026-06-16)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Wombat Plugins Advanced Product Fields (Product Addons) for WooCommerce

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/advanced-product-fields-for-woocommerce/vulnerability/wordpress-advanced-product-fi
vdb-entry

Sources

CVE List CVE-2026-39499
NVD CVE-2026-39499

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary