The WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.9.8 via the get_image_src_in_base64 function. This makes it possible for authenticated attackers, with subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The base64-encoded file contents are embedded into the cached invoice HTML and served directly to the attacker via the plugin's own Print/Download invoice endpoints, which require only a valid nonce and access key.

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Fixes

Solution

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Workaround

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History

Mon, 24 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Webtoffee
Webtoffee woocommerce Pdf Invoices, Packing Slips, Delivery Notes And Shipping Labels
Wordpress
Wordpress wordpress
Vendors & Products Webtoffee
Webtoffee woocommerce Pdf Invoices, Packing Slips, Delivery Notes And Shipping Labels
Wordpress
Wordpress wordpress

Mon, 24 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 22 Aug 2026 23:45:00 +0000

Type Values Removed Values Added
Description The WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.9.8 via the get_image_src_in_base64 function. This makes it possible for authenticated attackers, with subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The base64-encoded file contents are embedded into the cached invoice HTML and served directly to the attacker via the plugin's own Print/Download invoice endpoints, which require only a valid nonce and access key.
Title WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels <= 4.9.8 - Authenticated (Subscriber+) Arbitrary File Read via 'customer_note' Parameter
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-08-24T13:01:19.729Z

Reserved: 2026-07-28T05:50:17.888Z

Link: CVE-2026-18027

cve-icon Vulnrichment

Updated: 2026-08-24T12:51:26.596Z

cve-icon NVD

Status : Deferred

Published: 2026-08-23T00:16:50.370

Modified: 2026-08-24T16:41:13.950

Link: CVE-2026-18027

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-24T21:00:12Z

Weaknesses