Winrar
CVE-2025-52331
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 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.05%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAIv1 – Mar 28, 2026
Cross-site scripting (XSS) vulnerability in the generate report functionality in Rarlab WinRAR 7.11, allows attackers to disclose user information such as the computer username, generated report. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, 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
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 Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Cross-site scripting (XSS) vulnerability in the generate report functionality in Rarlab WinRAR 7.11, allows attackers to disclose user information such as the computer username, generated report directory, and IP address. The generate report command includes archived file names without validation in the HTML report, which allows potentially malicious HTML tags to be injected into the report. User interaction is required. User must use the "generate report" functionality and open the report. Affected products include: Rarlab Winrar.
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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:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Cross-site scripting (XSS) vulnerability in the generate report functionality in Rarlab WinRAR 7.11, allows attackers to disclose user information such as the computer username, generated report directory, and IP address. The generate report command includes archived file names without validation in the HTML report, which allows potentially malicious HTML tags to be injected into the report. User interaction is required. User must use the "generate report" functionality and open the report.
Executive ViewAI
CVE-2025-52331 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
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
WinRAR before 5.61 contains a path traversal vulnerability in the ACE archive format handler (UNACEV2.dll) that allows e
RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a
WinRAR for Windows contains a path traversal vulnerability allowing crafted archives to execute arbitrary code, discover
WinRAR contains a directory traversal vulnerability (CVE-2025-6218, CVSS 7.8) enabling remote code execution when users
RARLAB WinRAR before 7.00, on Windows, allows attackers to spoof the screen output via ANSI escape sequences, a differen
RARLAB WinRAR before 7.00, on Linux and UNIX platforms, allows attackers to spoof the screen output, or cause a denial o
WinRAR 5.61 contains a denial of service vulnerability that allows local attackers to crash the application by placing a
Out-of-bounds heap write in the RAR5 recovery-volume (.rev) parser of WinRAR, RAR, UnRAR, and unrar.dll (versions before
The file-execution functionality in WinRAR before 5.30 beta 5 allows local users to gain privileges via a Trojan horse f
Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points t
RARLAB WinRAR Mark-Of-The-Web Bypass Vulnerability. Rated medium severity (CVSS 4.3), this vulnerability is remotely exp
GitHub PoC
Exploit-DB