High severity · published Oct 2, 2026
CVE-2026-91828
OMGF < 6.3.11 - Unauthenticated DoS via do_optimize
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
The OMGF | GDPR/DSGVO Compliant, Faster Google Fonts. Easy. WordPress plugin before 6.3.11 does not require authentication or a valid nonce on an action that issues a slow server-side loopback request, allowing unauthenticated attackers to exhaust the site's PHP worker pool and make the entire site unavailable.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OG
OMGF | GDPR/DSGVO Compliant, Faster Google Fonts. Easy. ·
before 6.3.11 · source: vendor
Affected product
OG
OMGF | GDPR/DSGVO Compliant, Faster Google Fonts. Easy.