Get real-time updates on Telegram
CVE-2026-107508: Ultimate Multisite 0 to before 2.17.2
CVE-2026-107508. CVSS 3.1 base score 8.6 (HIGH, Source advisory).
Affected technology
Ultimate Multisite · 0 to before 2.17.2
Vendor not specified by the source
Description’s affected range: before 2.17.2 does not validate a user-supplied value used to select a file to include
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Unauthenticated attackers can include and read arbitrary local files, including the WordPress configuration file. Source advisory’s CVSS 3.1 assessment (base score 8.6/10) rates confidentiality impact as high; integrity and availability impact as none.
- CWE
- CWE-22
- CCR priority
- 34.4 /100 (P4)
- CVSS 3.1
- 8.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N · Source advisory
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-14 16:14:54.592053+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-107508.html