Stored script execution via unescaped redirect settings
Published Apr 26, 2026 · Updated Apr 26, 2026
Stored cross-site scripting in the Redirect Plugin in MaxSite CMS 109.0 through 109.3 allows remote authenticated users to execute script. The plugin's admin.php inserts stored all and all404 option values directly into f_all and f_all404 textareas without HTML escaping. Administrative access and user interaction are required, and the vendor classifies the issue as self-XSS affecting the submitting user's browser.
Summary
What happened
Stored cross-site scripting in the Redirect Plugin in MaxSite CMS 109.0 through 109.3 allows remote authenticated users to execute script. The plugin's admin.php inserts stored all and all404 option values directly into f_all and f_all404 textareas without HTML escaping. Administrative access and user interaction are required, and the vendor classifies the issue as self-XSS affecting the submitting user's browser.
The record
- CVE
- CVE-2026-7012
- Published
- Apr 26, 2026
- Updated
- Apr 26, 2026
- Vendor
- MaxSite
- Product
- MaxSite CMS
- Classifications
- CWE-79, CWE-94
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Apr 26, 2026CVE publishedPublication date reported by the CVE source.
- Apr 26, 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=109.0
- Affected versionversion=109.1
- Affected versionversion=109.2
- Affected versionversion=109.3
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
- Stored XSS in Redirect Plugin MaxSite CMS reportproof of concept · unverified
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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