PoC Index85,100 CVEs with PoCs

CVE-2026-16257

Arvow AI SEO Writer < 1.5.4 - Unauthenticated Arbitrary Post Creation via Webhook Secret Type-Juggling

HIGH 8.2EPSS 0.4%

The Arvow AI SEO Writer WordPress plugin before 1.5.4 does not properly restrict access to one of its REST endpoints, whose only access control can be bypassed by unauthenticated users through type juggling when the Arvow AI SEO Writer WordPress plugin before 1.5.4 has not been configured, allowing them to create arbitrary posts and pages and to disclose author account and taxonomy information.

Affected
Arvow AI SEO Writer
CVSS v3.1 CNA
8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
EPSS
0.36% chance of exploitation in the next 30 days, 28th percentile
Published
2026-08-10
Updated
2026-08-11

Proof-of-concept exploits (1)

References