Security Advisory

CVE-2026-8888

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-03 18:16:25

Last updated 2026-06-04 19:48:31

Assigner certcc

CVSS score not scored

State PUBLISHED

Description

Version 3.0.7 of the Securly Chrome Extension downloads config.json over HTTP and compiles server-provided patterns as JavaScript regular expressions via new RegExp() without complexity validation. An on-path attacker can inject specific patterns to cause catastrophic backtracking, resulting in denial of service on all browsing.

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