XSS in Rarlab Winrar

CVE-2025-52331

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-52331?
CVE-2025-52331 is a medium-severity vulnerability in Rarlab Winrar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-11-12.
How severe is CVE-2025-52331?
Medium severity. CVSS v3 base score is 6.1 out of 10.