Skip to main content

Brave CVE-2023-22798

MEDIUM
URL Redirection to Untrusted Site (Open Redirect) (CWE-601)
2023-02-09 support@hackerone.com
6.1
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Redirect URL validation
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could redirect users to malicious websites via URL manipulation by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Prior to commit 51867e0d15a6d7f80d5b714fd0e9976b9c160bb0, https://github.com/brave/adblock-lists removed redirect interceptors on some websites like Facebook in which the redirect interceptor may. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate redirect destinations against an allowlist, avoid using user input in redirect URLs.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Open Redirect (CWE-601), which allows attackers to redirect users to malicious websites via URL manipulation. Prior to commit 51867e0d15a6d7f80d5b714fd0e9976b9c160bb0, https://github.com/brave/adblock-lists removed redirect interceptors on some websites like Facebook in which the redirect interceptor may have been there for security purposes. This could potentially cause open redirects on these websites. Brave's redirect interceptor removal feature is known as "debouncing" and is intended to remove unnecessary redirects that track users across the web. Affected products include: Brave Adblock-Lists.

Know when Brave gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

Prior to commit 51867e0d15a6d7f80d5b714fd0e9976b9c160bb0, https://github.com/brave/adblock-lists removed redirect interceptors on some websites like Facebook in which the redirect interceptor may have been there for security purposes. This could potentially cause open redirects on these websites. Brave's redirect interceptor removal feature is known as "debouncing" and is intended to remove unnecessary redirects that track users across the web.

Threat Intelligence Overview

EPSS Score
0.5%
Top 62% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +30
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Affected Products (CPE)NVD

cpe:2.3:a:brave:adblock-lists:*:*:*:*:*:*:*:*

More in Brave

View all
CVE-2021-45884 HIGH POC
7.5 Dec 27

In Brave Desktop 1.17 through 1.33 before 1.33.106, when CNAME-based adblocking and a proxying extension with a SOCKS fa

CVE-2017-8458 MEDIUM POC
6.5 May 03

Brave 0.12.4 has a URI Obfuscation issue in which a string such as https://safe.example.com@unsafe.example.com/ is displ

CVE-2022-47934 MEDIUM POC
6.5 Dec 24

Brave Browser before 1.43.88 allowed a remote attacker to cause a denial of service in private and guest windows via a c

CVE-2022-47933 MEDIUM POC
6.5 Dec 24

Brave Browser before 1.42.51 allowed a remote attacker to cause a denial of service via a crafted HTML file that referen

CVE-2022-47932 MEDIUM POC
6.5 Dec 24

Brave Browser before 1.43.34 allowed a remote attacker to cause a denial of service via a crafted HTML file that mention

CVE-2018-10799 MEDIUM POC
6.5 May 08

A hang issue was discovered in Brave before 0.14.0 (on, for example, Linux). Rated medium severity (CVSS 6.5), this vuln

CVE-2018-10798 MEDIUM POC
6.5 May 08

A hang issue was discovered in Brave before 0.14.0 (on, for example, Linux). Rated medium severity (CVSS 6.5), this vuln

CVE-2023-28364 MEDIUM POC
6.1 Jul 01

An Open Redirect vulnerability exists prior to version 1.52.117, where the built-in QR scanner in Brave Browser Android

CVE-2021-22929 MEDIUM POC
6.1 Aug 31

An information disclosure exists in Brave Browser Desktop prior to version 1.28.62, where logged warning messages that i

CVE-2020-8276 MEDIUM POC
5.5 Nov 09

The implementation of Brave Desktop's privacy-preserving analytics system (P3A) between 1.1 and 1.18.35 logged the times

CVE-2017-8459 MEDIUM POC
5.3 May 03

Brave 0.12.4 has a Status Bar Obfuscation issue in which a redirection target is shown in a possibly unexpected way. Rat

CVE-2022-30334 MEDIUM POC
5.3 May 07

Brave before 1.34, when a Private Window with Tor Connectivity is used, leaks .onion URLs in Referer and Origin headers.

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy