P4Verified

CVE-2026-79774: winter 1.2.7 to before 1.2.13

CVE-2026-79774. CVSS 3.1 base score 8.4 (HIGH, Vendor/CNA). EPSS 0.00808 (percentile 0.55455), scored 2026-10-06.

Affected technology

winter · 1.2.7 to before 1.2.13
wintercms

Description’s affected range: versions before 1.2.13

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · High privileges required · Passive user interaction

What an attacker can do

Authenticated backend users with template-editing permissions can bypass sandbox restrictions. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-08 17:34:48.509317+00:00

CWE: CWE-693
CCR priority: 33.8 /100 (P4)
CVSS 3.1: 8.4 /10 · CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00808 · percentile 0.55552 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-79774.html