Authenticated cookie theft via stored First Name script
Published Feb 8, 2021 · Updated Jul 9, 2026
Stored cross-site scripting in CASAP Automated Enrollment System 1.0 allows remote authenticated users to steal cookies via users.php. The Users workflow stores a script payload supplied through the First Name field and executes it whenever users.php renders the saved entry. A valid account is required to add the crafted user, and a victim must open the Users page; the browser script can disclose authenticated cookies or redirect the victim.
Summary
What happened
Stored cross-site scripting in CASAP Automated Enrollment System 1.0 allows remote authenticated users to steal cookies via users.php. The Users workflow stores a script payload supplied through the First Name field and executes it whenever users.php renders the saved entry. A valid account is required to add the crafted user, and a victim must open the Users page; the browser script can disclose authenticated cookies or redirect the victim.
The record
- CVE
- CVE-2021-3294
- Published
- Feb 8, 2021
- Updated
- Jul 9, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-79, CAPEC-592, T1539
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 8, 2021CVE publishedPublication date reported by the CVE source.
- Jul 9, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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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
- CASAP Automated Enrollment System 1.0 First Name Stored XSSproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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