CVE-2026-89413 Filter Gallery WordPress Plugin - Authorization Bypass

Filter Gallery WordPress plugin <= 1.1.4 contains an authorization bypass caused by improper user authorization verification, letting authenticated attackers with subscriber-level access delete arbitrary gallery records, exploit requires omission of nonce POST field.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.54% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authorization Bypass
Impact
Broken Access Control, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version beyond 1.1.4.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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