Reflected XSS via unneutralized login username
Published Feb 7, 2020 · Updated Aug 4, 2024
Reflected XSS in Synaptive Medical ClearCanvas ImageServer 3.0 Alpha allows remote attackers to run script via a crafted UserName value. The Default.aspx login page reflects the submitted UserName as clickable markup instead of safely neutralizing attacker-controlled HTML. No authentication is required, but a user must submit the crafted login form and click the reflected payload; script then runs in that user's browser context.
Summary
What happened
Reflected XSS in Synaptive Medical ClearCanvas ImageServer 3.0 Alpha allows remote attackers to run script via a crafted UserName value. The Default.aspx login page reflects the submitted UserName as clickable markup instead of safely neutralizing attacker-controlled HTML. No authentication is required, but a user must submit the crafted login form and click the reflected payload; script then runs in that user's browser context.
The record
- CVE
- CVE-2020-8788
- Published
- Feb 7, 2020
- Updated
- Aug 4, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-79, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 7, 2020CVE publishedPublication date reported by the CVE source.
- Aug 4, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What conditions does exploitation require?
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
- ClearCanvas ImageServer UserName XSS reproductionproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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