CVE-2021-36888

WordPress Image Hover Effects Ultimate plugin <= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise

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

Affected

Oxilab · Image Hover Effects Ultimate (WordPress plugin)

CVSS v3.1 NVD

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

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

6.53% chance of exploitation in the next 30 days, 94th percentile

Nuclei

critical · CWE-284

Published

2021-12-15

Updated

2026-04-28

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36888.yaml

Security advisories

• https://wordpress.org/plugins/image-hover-effects-ultimate/#developers
• https://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-imag…

References

• CVE Record
• NVD entry