WordPress WooCommerce Fortnox Integration plugin <= 4.5.5 - Broken Access Control Vulnerability

published 2025-06-20 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-18900

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

Missing Authorization vulnerability in Wetail WooCommerce Fortnox Integration woocommerce-fortnox-integration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WooCommerce Fortnox Integration: from n/a through <= 4.5.5.

Patch / fix

fixed in 1

Wetail WooCommerce Fortnox Integration 4.5.6

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-06-23)

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Affected products

Wetail WooCommerce Fortnox Integration

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/woocommerce-fortnox-integration/vulnerability/wordpress-woocommerce-fortnox-integra
vdb-entry

Sources

CVE List CVE-2025-49998
NVD CVE-2025-49998

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