CVE-2026-77783CWE-639

CVE-2026-77783

Low · published September 2, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
16.2
In the wild
Unconfirmed
What it is

The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the post whose schema it renders on the front end is publicly viewable, allowing unauthenticated visitors to disclose the schema and associated content of draft, pending, private, scheduled and password-protected posts.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00255 · 16.2th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-02T10:17Z
References (1)
https://wpscan.com/vulnerability/c10db1c1-3af9-45ed-af83-ce95211d0251/ · [email protected]
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 02 SEP 06:00Z
    Rank Math SEO < 1.0.277 - Unauthenticated Non-Public Post Schema and Content Disclosure
    cvelistv5