CVE-2026-16257
High
Description
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.
SeverityHigh
CVSS8.2
Exploit probability—
ProductArvow AI SEO Writer
PublishedAug 10, 2026
First seenAug 10, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- Arvow AI SEO Writer1.5.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Arvow AI SEO Writer | v < 1.5.4 | 1.5.4 |
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