CVE-2026-109319CWE-862broken-access-control

CVE-2026-109319

Medium · published October 12, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
9.5
In the wild
Unconfirmed
What it is

Grav Guestbook plugin 0.5.0 and 0.5.1 contains missing authorization and cross-site request forgery vulnerabilities in Admin moderation actions delete, approve, and approveAll. Authenticated Admin users lacking the admin.guestbook permission, or external sites abusing a moderator's session via nonce-less GET requests, can delete or approve Guestbook entries.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00201 · 9.5th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-12T21:17Z
References (2)
https://github.com/getgrav/grav/security/advisories/GHSA-wxr7-h5mm-c7mv · [email protected]https://www.vulncheck.com/advisories/grav-guestbook-plugin-0.5.0-and-0.5.1-missing-authorization-and-csrf-in-moderation · [email protected]
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 16:05Z
    Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation
    cvelistv5
  • 12 OCT 16:05Z
    Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation
    cvelistv5