Browser script execution via unfiltered preview URL
Published Feb 1, 2023 · Updated Mar 27, 2025
Reflected XSS in kkFileView 4.1.0 allows remote attackers to execute script in a user's browser through a crafted preview URL. OnlinePreviewController decodes the Base64-encoded url parameter and outputs it into the page without filtering special characters. A user must open the crafted /onlinePreview link; injected script can read site-accessible cookies or alter page content.
Summary
What happened
Reflected XSS in kkFileView 4.1.0 allows remote attackers to execute script in a user's browser through a crafted preview URL. OnlinePreviewController decodes the Base64-encoded url parameter and outputs it into the page without filtering special characters. A user must open the crafted /onlinePreview link; injected script can read site-accessible cookies or alter page content.
The record
- CVE
- CVE-2022-46934
- Published
- Feb 1, 2023
- Updated
- Mar 27, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 1, 2023CVE publishedPublication date reported by the CVE source.
- Mar 27, 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?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
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.
Weakness, pattern, technique
Public exploit references
- Upstream issue proof-of-concept preview linksproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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