What is CVE-2015-2692?

CVE-2015-2692 is a critical-severity vulnerability in Adblock, classified under Improper Access Control. CVSS score: 10.0/10. Published 2017-06-08.

How severe is CVE-2015-2692?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Adblock

CVE-2015-2692

AdBlock before 2.21 allows remote attackers to block arbitrary resources on arbitrary websites and to disable arbitrary blocking filters.

Published 2017-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Adblock

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.greinr.com/blog/2015/cve-2015-2692-adblock-filter-injection/ (Third Party Advisory)
github.com/kzar/watchadblock/commit/5b77de6ea77e0eff2aa726d9722d64fb4964b985 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2015-2692?: CVE-2015-2692 is a critical-severity vulnerability in Adblock, classified under Improper Access Control. CVSS score: 10.0/10. Published 2017-06-08.
How severe is CVE-2015-2692?: Critical severity. CVSS v3 base score is 10.0 out of 10.