Characters that cause exceptions when URL encoded
2048
2048
2048This vector demonstrates which characters cause encodeURIComponent to throw an exception when attempting to URL encode.
Created by: hackvertor
Created on: Thursday, October 3, 2024 at 11:22:50 AM
Updated on: Friday, March 21, 2025 at 12:35:03 PM
Vector type: JS
Vector charset: UTF-8
Template used:
try{
encodeURIComponent(String.fromCodePoint($[i]))
} catch {
log($[i]);
} Your browser was detected as:
Detecting... Detecting... Detecting... Detecting...
Sample payloads
try{
encodeURIComponent(String.fromCodePoint(55296))
} catch {
alert(55296);
} try{
encodeURIComponent(String.fromCodePoint(55297))
} catch {
alert(55297);
} try{
encodeURIComponent(String.fromCodePoint(55298))
} catch {
alert(55298);
} try{
encodeURIComponent(String.fromCodePoint(55299))
} catch {
alert(55299);
} try{
encodeURIComponent(String.fromCodePoint(55300))
} catch {
alert(55300);
} try{
encodeURIComponent(String.fromCodePoint(55301))
} catch {
alert(55301);
} try{
encodeURIComponent(String.fromCodePoint(55302))
} catch {
alert(55302);
} try{
encodeURIComponent(String.fromCodePoint(55303))
} catch {
alert(55303);
} try{
encodeURIComponent(String.fromCodePoint(55304))
} catch {
alert(55304);
} try{
encodeURIComponent(String.fromCodePoint(55305))
} catch {
alert(55305);
} try{
encodeURIComponent(String.fromCodePoint(55306))
} catch {
alert(55306);
} try{
encodeURIComponent(String.fromCodePoint(55307))
} catch {
alert(55307);
} try{
encodeURIComponent(String.fromCodePoint(55308))
} catch {
alert(55308);
} try{
encodeURIComponent(String.fromCodePoint(55309))
} catch {
alert(55309);
} try{
encodeURIComponent(String.fromCodePoint(55310))
} catch {
alert(55310);
} try{
encodeURIComponent(String.fromCodePoint(55311))
} catch {
alert(55311);
} try{
encodeURIComponent(String.fromCodePoint(55312))
} catch {
alert(55312);
} try{
encodeURIComponent(String.fromCodePoint(55313))
} catch {
alert(55313);
} try{
encodeURIComponent(String.fromCodePoint(55314))
} catch {
alert(55314);
} try{
encodeURIComponent(String.fromCodePoint(55315))
} catch {
alert(55315);
} Fuzz results
Chrome 129.0.0.0 desktop macOS 10.15.7
Updated
Thu Oct 03 2024
Found 2048 results
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Safari 18.0 desktop macOS 10.15.7
Updated
Thu Oct 03 2024
Found 2048 results
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Firefox 131.0 desktop macOS 10.15
Updated
Thu Oct 03 2024
Found 2048 results
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