CVE-2026-8874

high

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

https://kb.cert.org/vuls/id/595768

Details

Source: Mitre, NVD

Published: 2026-06-03

Updated: 2026-06-05

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Severity: High

EPSS

EPSS: 0.00013