CVE-2021-36888

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions <= 9.6.1) WordPress plugin.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284 CWE-306

Affected software

Vendor	Product	Versions
Oxilab	Image Hover Effects Ultimate (WordPress plugin)	>= <= 9.6.1, <= 9.6.1

References

https://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-image-hover-effects-ultimate-plugin-9-6-1-unauthenticated-arbitrary-options-update-leading-to-full-website-compromiseThird Party Advisory
https://wordpress.org/plugins/image-hover-effects-ultimate/#developersRelease Notes, Vendor Advisory
https://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-image-hover-effects-ultimate-plugin-9-6-1-unauthenticated-arbitrary-options-update-leading-to-full-website-compromiseThird Party Advisory
https://wordpress.org/plugins/image-hover-effects-ultimate/#developersRelease Notes, Vendor Advisory

Timeline

Published: Dec 15, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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