VDB
CVE-2026-8888
CVE-2026-8888
PUBLISHED
CVSS 7.5 HIGH
Reported by certcc · Published June 3, 2026
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Securly | Securly Chrome Extension | 0 |
| Securly | Securly Chrome Extension | 0 |
Timeline
- Jun 3, 2026 CVE Published
- Jun 4, 2026 Coalition ESS Score
- Jun 4, 2026 CVE Updated
- Jun 5, 2026 EPSS Score
- Jun 10, 2026 Security Advisory