CVE-2026-87968: Access Control Flaw (CVSS 5.3)

Description

The Product Feed for Google Shopping, Microsoft Advertising and 40+ Channels for WooCommerce Merchant WordPress plugin before 5.3.2 does not perform a nonce or capability check on the AJAX action that registers the store with its feed service and exposes it to unauthenticated users, so any visitor can force the store to re-register and overwrite the Product Feed for Google Shopping, Microsoft Advertising and 40+ Channels for WooCommerce Merchant WordPress plugin before 5.3.2's stored shop secret.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0024

Probability of exploitation

0.14%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-284 CWE-284

References

Other References

https://wpscan.com/vulnerability/92b501c0-e237-4dd5-a88a-8472398b1c7e/

Frequently Asked Questions

What is CVE-2026-87968? +

The Product Feed for Google Shopping, Microsoft Advertising and 40+ Channels for WooCommerce Merchant WordPress plugin before 5.3.2 does not perform a nonce or capability check on the AJAX action that registers the store with its feed service and exposes it to unauthenticated users, so any visitor can force the store to re-register and overwrite the Product Feed for Google Shopping, Microsoft Advertising and 40+ Channels for WooCommerce Merchant WordPress plugin before 5.3.2's stored shop secret. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-87968? +

CVE-2026-87968 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0024, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-87968? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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