Contributor-level stored XSS via unescaped instance parameter
Published Jul 29, 2025 · Updated Apr 8, 2026
Stored XSS in Hanucodes YouTube Embed 10.3 and earlier allows remote authenticated users to inject scripts via the instance parameter. The instance parameter is accepted without sufficient sanitization and rendered into page output without adequate escaping. Contributor-level access is required; the injected scripts execute in visitors' browsers whenever an affected page is opened.
Summary
What happened
Stored XSS in Hanucodes YouTube Embed 10.3 and earlier allows remote authenticated users to inject scripts via the instance parameter. The instance parameter is accepted without sufficient sanitization and rendered into page output without adequate escaping. Contributor-level access is required; the injected scripts execute in visitors' browsers whenever an affected page is opened.
The record
- CVE
- CVE-2025-6692
- Published
- Jul 29, 2025
- Updated
- Apr 8, 2026
- Vendor
- Hanucodes
- Product
- YouTube Embed – YouTube Gallery, Vimeo Gallery – WordPress Plugin
- Classifications
- CWE-79, T1059.007
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 29, 2025CVE publishedPublication date reported by the CVE source.
- Apr 8, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=10.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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