CVE-2026-1906 (GCVE-0-2026-1906)
Vulnerability from cvelistv5 – Published: 2026-02-18 05:29 – Updated: 2026-02-18 05:29
VLAI?
Title
PDF Invoices & Packing Slips for WooCommerce <= 5.6.0 - Missing Authorization to Authenticated (Subscriber+) Peppol Identifier Modification
Summary
The PDF Invoices & Packing Slips for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.6.0 via the `wpo_ips_edi_save_order_customer_peppol_identifiers` AJAX action due to missing capability checks and order ownership validation. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify Peppol/EDI endpoint identifiers (`peppol_endpoint_id`, `peppol_endpoint_eas`) for any customer by specifying an arbitrary `order_id` parameter on systems using Peppol invoicing. This can affect order routing on the Peppol network and may result in payment disruptions and data leakage.
Severity ?
4.3 (Medium)
CWE
- CWE-862 - Missing Authorization
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| wpovernight | PDF Invoices & Packing Slips for WooCommerce |
Affected:
* , ≤ 5.6.0
(semver)
|
Credits
Dmitrii Ignatyev
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"affected": [
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"defaultStatus": "unaffected",
"product": "PDF Invoices \u0026 Packing Slips for WooCommerce",
"vendor": "wpovernight",
"versions": [
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"status": "affected",
"version": "*",
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}
],
"metrics": [
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
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"problemTypes": [
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"providerMetadata": {
"dateUpdated": "2026-02-18T05:29:17.309Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2e1922c6-e63b-47aa-97de-1e2382fa25d3?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.6.0/includes/Admin.php#L895"
},
{
"url": "https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.6.0/includes/Admin.php#L72"
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"timeline": [
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"time": "2026-02-17T17:18:34.000Z",
"value": "Disclosed"
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],
"title": "PDF Invoices \u0026 Packing Slips for WooCommerce \u003c= 5.6.0 - Missing Authorization to Authenticated (Subscriber+) Peppol Identifier Modification"
}
},
"cveMetadata": {
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"cveId": "CVE-2026-1906",
"datePublished": "2026-02-18T05:29:17.309Z",
"dateReserved": "2026-02-04T15:19:56.700Z",
"dateUpdated": "2026-02-18T05:29:17.309Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-1906\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-02-18T06:16:34.913\",\"lastModified\":\"2026-02-18T06:16:34.913\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The PDF Invoices \u0026 Packing Slips for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.6.0 via the `wpo_ips_edi_save_order_customer_peppol_identifiers` AJAX action due to missing capability checks and order ownership validation. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify Peppol/EDI endpoint identifiers (`peppol_endpoint_id`, `peppol_endpoint_eas`) for any customer by specifying an arbitrary `order_id` parameter on systems using Peppol invoicing. This can affect order routing on the Peppol network and may result in payment disruptions and data leakage.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"references\":[{\"url\":\"https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.6.0/includes/Admin.php#L72\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.6.0/includes/Admin.php#L895\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/#developers\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/2e1922c6-e63b-47aa-97de-1e2382fa25d3?source=cve\",\"source\":\"security@wordfence.com\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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