Browser script execution via unescaped number parameter
Published Dec 17, 2024 · Updated Apr 8, 2026
Reflected XSS in Additional Fees For WooCommerce Checkout 1.4.7 and earlier allows remote attackers to inject browser scripts. The administrative page code in classes/wps-ext-cst-admin.php renders the number request parameter into HTML without adequate sanitization or contextual escaping. Execution requires a targeted user to follow a crafted link, after which the script runs in that user's WordPress origin.
Summary
What happened
Reflected XSS in Additional Fees For WooCommerce Checkout 1.4.7 and earlier allows remote attackers to inject browser scripts. The administrative page code in classes/wps-ext-cst-admin.php renders the number request parameter into HTML without adequate sanitization or contextual escaping. Execution requires a targeted user to follow a crafted link, after which the script runs in that user's WordPress origin.
The record
- CVE
- CVE-2024-12395
- Published
- Dec 17, 2024
- Updated
- Apr 8, 2026
- Vendor
- WPSuperiors
- Product
- Additional Fees For WooCommerce Checkout
- Classifications
- CWE-79, T1204.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Dec 17, 2024CVE 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 <=1.4.7
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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