Brave
CVE-2024-35655
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required. EPSS exploitation probability: 0.11%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
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Alert meAnalysisAI
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brave Brave brave-popup-builder allows DOM-Based XSS.6.9. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
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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 Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brave Brave brave-popup-builder allows DOM-Based XSS.6.9. Affected products include: Getbrave Brave.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brave Brave brave-popup-builder allows DOM-Based XSS.This issue affects Brave: from n/a through <= 0.6.9.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
In Brave Desktop 1.17 through 1.33 before 1.33.106, when CNAME-based adblocking and a proxying extension with a SOCKS fa
Brave 0.12.4 has a URI Obfuscation issue in which a string such as https://safe.example.com@unsafe.example.com/ is displ
Brave Browser before 1.43.88 allowed a remote attacker to cause a denial of service in private and guest windows via a c
Brave Browser before 1.42.51 allowed a remote attacker to cause a denial of service via a crafted HTML file that referen
Brave Browser before 1.43.34 allowed a remote attacker to cause a denial of service via a crafted HTML file that mention
A hang issue was discovered in Brave before 0.14.0 (on, for example, Linux). Rated medium severity (CVSS 6.5), this vuln
A hang issue was discovered in Brave before 0.14.0 (on, for example, Linux). Rated medium severity (CVSS 6.5), this vuln
An Open Redirect vulnerability exists prior to version 1.52.117, where the built-in QR scanner in Brave Browser Android
Prior to commit 51867e0d15a6d7f80d5b714fd0e9976b9c160bb0, https://github.com/brave/adblock-lists removed redirect interc
An information disclosure exists in Brave Browser Desktop prior to version 1.28.62, where logged warning messages that i
The implementation of Brave Desktop's privacy-preserving analytics system (P3A) between 1.1 and 1.18.35 logged the times
Brave 0.12.4 has a Status Bar Obfuscation issue in which a redirection target is shown in a possibly unexpected way. Rat
GitHub PoC
Exploit-DB