Ublock Origin
Vendor:
First CVE: Apr 29, 2019 · Active for 7 years
3
Total CVEs
More Total CVEs than 64% of tracked products
1.0
Avg CVEs / Year
Bottom 1%
6.7
Avg CVSS
Higher Avg CVSS than 36% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Ublock Origin over time
Volume of CVEsAvg CVSS Base Score
First CVE
Apr 29, 2019
7 years ago
Most Recent CVE
May 2, 2025
448 days ago
CVE Severity & Scoring
Ublock Origin3 CVEs
33%
33%
33%
All CVEs352,231 CVEs
45%
40%
11%
LowHighCritical
Attack Vector
Local0 (0.0%)
Network3 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low1 (33.3%)
High2 (66.7%)
Unknown0 (0.0%)
User Interaction
None3 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None3 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (3 CVEs).
3 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2019-11595CRITICAL In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution | Apr 29, 2019 | 9.0 | 28 | NO | NO |
CVE-2021-36773HIGH uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of servic | Jul 18, 2021 | 7.5 | 25 | NO | NO |
A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filter | May 2, 2025 | 3.7 | 16 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (3 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (3 CVEs).
Media Mentions
Signals from CVEs in this product scope (3 CVEs).
Top CNAs Publishing CVEs For Ublock Origin
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 1.63.3 | 1 | 3.7 | 0.6% | 0 | 0 |