CVE-2026-8874

HIGH

Securly Chrome Extension < 3.0.7 - Unencrypted HTTP Download of Crisis Alert Keywords

Title source: llm
STIX 2.1

Description

Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP via the Fetch API. Other endpoints in the same extension correctly fetch IWF and CIPA data over HTTPS, demonstrating an inconsistent implementation of TLS.

References (1)

Core 1

Scores

CVSS v3 7.1
EPSS 0.0011
EPSS Percentile 1.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-319
Status published
Products (2)
securly/securly 3.0.7
Securly/Securly Chrome Extension < 3.0.7
Published Jun 03, 2026
Tracked Since Jun 04, 2026