WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels <= 4.9.8 — Authenticated (Subscriber+) Arbitrary File Read via 'customer_note' Parameter
CVE-2026-18027Published · Updated Action summary
Affected: ≤4.9.8Update to 5.0.0 or newer
All remediation steps- Severity
- Medium6.5
- CVSS
- 6.5CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:NIntegrity- None
A:NAvailability- None
- Weakness
- CWE-22 Path Traversal
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels print-invoices-packing-slip-labels-for-woocommerce
- Affected≤ 4.9.8
- Patched in5.0.0
Update to 5.0.0 or newer.
You are affected if you run ≤ 4.9.8. Version 5.0.0 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 5.0.0, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to daroo.
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.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels
All 9| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.5 | Insecure Direct Object Reference to Unauthenticated Unauthorized Order Document Access via 'email' Parameter ≤5.0.2Update to 5.0.3 | CVE-2026-93746 | |
| Medium5.3 | Unauthenticated Information Exposure ≤4.9.4Update to 4.9.5 | CVE-2026-49056 | |
| Medium4.4 | Authenticated (Shop Manager+) Stored Cross-Site Scripting ≤4.7.1Update to 4.7.2 | CVE-2025-24644 | |
| Medium5.3 | Missing Authorization to Unauthenticated Settings Reset ≤4.4.2Update to 4.4.3 | CVE-2024-3216 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤4.4.0Update to 4.4.1 | CVE-2024-22288 |
- High7.5Insecure Direct Object Reference to Unauthenticated Unauthorized Order Document Access via 'email' Parameter
≤5.0.2Update to 5.0.3
- Medium5.3Unauthenticated Information Exposure
≤4.9.4Update to 4.9.5
- Medium4.4Authenticated (Shop Manager+) Stored Cross-Site Scripting
≤4.7.1Update to 4.7.2
- Medium5.3Missing Authorization to Unauthenticated Settings Reset
≤4.4.2Update to 4.4.3
- Medium6.1Reflected Cross-Site Scripting
≤4.4.0Update to 4.4.1
Same weakness (Path Traversal)
All Path Traversal| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
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Timeline
CVE published
Severity medium, CVSS 6.5
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.