Stored XSS via unescaped shortcode attributes
Published Feb 13, 2023 · Updated Mar 21, 2025
Stored XSS in javitxu123 Youtube Channel Gallery 2.4 and earlier allows remote authenticated users to inject scripts through shortcode attributes. The shortcode handler outputs attributes such as user into an embedded page or post without validating or escaping them. Contributor-level access is sufficient to store the payload, which executes in the browser whenever another user visits the affected page.
Summary
What happened
Stored XSS in javitxu123 Youtube Channel Gallery 2.4 and earlier allows remote authenticated users to inject scripts through shortcode attributes. The shortcode handler outputs attributes such as user into an embedded page or post without validating or escaping them. Contributor-level access is sufficient to store the payload, which executes in the browser whenever another user visits the affected page.
The record
- CVE
- CVE-2022-4783
- Published
- Feb 13, 2023
- Updated
- Mar 21, 2025
- Vendor
- javitxu123
- Product
- Youtube Channel Gallery
- Classifications
- CWE-79, T1059.007
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 13, 2023CVE publishedPublication date reported by the CVE source.
- Mar 21, 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?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=2.4
What conditions does exploitation require?
What is affected?
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
- WPScan crafted shortcode proof of conceptproof of concept · demonstrated
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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