CVE-2025-6721

Vchasno Kasa <= 1.0.3 - Missing Authorization to Unauthenticated Invoice Generation

Published Jul 19, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

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.

Analysis

Technical impact

The Vchasno Kasa WordPress plugin contains a missing capability check in the mrkv_vchasno_kasa_wc_do_metabox_action() function. This flaw allows any visitor, even one who is not logged in, to request the creation of invoices for any order. As a result, attackers could generate fraudulent invoices, potentially leading to financial losses or the exposure of confidential order information.

Affected Systems

The vulnerability exists in the bandido Vchasno Kasa Integration plugin for WordPress up to version 1.0.3, inclusive.

Risk and Exploitability

The CVSS score of 5.3 indicates a moderate impact, while the EPSS score is reported as below 1 %, suggesting a very low likelihood of exploitation. The vulnerability is not listed in the CISA KEV catalog, further indicating that it is not widely exploited in the wild. Attackers can exploit the weakness remotely by sending crafted requests to the plugin’s endpoint, as the missing authorization check is performed server‑side.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

bandido

MORKVA Vchasno Kasa Integration

unaffected

Version	Status	Constraints
`0`	affected	≤ 1.0.3

No data.

Vendor	Product	Versions
Wordpress	Wordpress	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Apply the latest version of the Vchasno Kasa plugin that includes the missing capability check
If an update is not immediately possible, temporarily disable the plugin or remove the mrkv_vchasno_kasa_wc_do_metabox_action() endpoint from the site until a patch is applied
If the plugin must remain active, implement an additional capability check in a custom plugin or via a WP hook to ensure that only users with an appropriate role can trigger invoice generation.

Generated by OpenCVE AI on April 21, 2026 at 03:55 UTC.

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-21952	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.414% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
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=
https://www.wordfence.com/threat-intel/vulnerabilities/id/57ad3525-3257-4727-ba07-468bf13a94e2?source=cve

History

Jul 21, 2025 6:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jul 19, 2025 5:45 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
Title		Vchasno Kasa <= 1.0.3 - Missing Authorization to Unauthenticated Invoice Generation
Weaknesses		CWE-862
References		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= https://www.wordfence.com/threat-intel/vulnerabilities/id/57ad3525-3257-4727-ba07-468bf13a94e2?source=cve
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}`