CVE-2025-8418: Auth Bypass (CVSS 8.8)

Description

The B Slider- Gutenberg Slider Block for WP plugin for WordPress is vulnerable to Arbitrary Plugin Installation in all versions up to, and including, 1.1.30. This is due to missing capability checks on the activated_plugin function. This makes it possible for authenticated attackers, with subscriber-level access and above, to install arbitrary plugins on the server which can make remote code execution possible.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://plugins.trac.wordpress.org/browser/b-slider/tags/1.1.28/adminMenu.php#L124 https://plugins.trac.wordpress.org/changeset/3342079/b-slider/trunk/adminMenu.php https://www.wordfence.com/threat-intel/vulnerabilities/id/deffd646-5117-4086-bf4b-8a17ffdaad8b?source=cve

Frequently Asked Questions

What is CVE-2025-8418? +

The B Slider- Gutenberg Slider Block for WP plugin for WordPress is vulnerable to Arbitrary Plugin Installation in all versions up to, and including, 1.1.30. This is due to missing capability checks on the activated_plugin function. This makes it possible for authenticated attackers, with subscriber-level access and above, to install arbitrary plugins on the server which can make remote code execution possible. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-8418? +

CVE-2025-8418 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-8418? +

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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