CVE-2025-52331Network attack vector

User information disclosure via unescaped archive names

Published Nov 12, 2025 · Updated Nov 12, 2025

Cross-site scripting in RARLAB WinRAR 7.11 allows attackers to disclose local user information through a crafted archived file name. The Generate Report command writes archived file names into an HTML report without escaping angle brackets, allowing injected tags to execute when rendered. The victim must generate and open the report; exposed data is limited to browser-accessible local details such as the username, report directory, and IP address.

CVSS severity6.1
Medium
EPSS probability0.31%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in RARLAB WinRAR 7.11 allows attackers to disclose local user information through a crafted archived file name. The Generate Report command writes archived file names into an HTML report without escaping angle brackets, allowing injected tags to execute when rendered. The victim must generate and open the report; exposed data is limited to browser-accessible local details such as the username, report directory, and IP address.

The record

CVE
CVE-2025-52331
Published
Nov 12, 2025
Updated
Nov 12, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 11, 2026Sep 17, 2026
Latest reporting daySep 17, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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