Old version
April 3, 2026 05:39 UTC
cd0d46d8031319e54171446936c0c5b0404fc77e6bd75695c50af35541d5c784
CA-V-001752
New version
April 5, 2026 06:07 UTC
5278b0da1357d8c378471ed9e0ec6f406b26af30917877cd9a2e7911e93ba115
CA-V-001759
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Change Summary
The document provided appears to be a technical challenge/WAF (Web Application Firewall) verification page with security scripts, not Booking.com's actual privacy statement. The changes detected between versions are limited to updates in security nonce values and a timestamp parameter in the challenge token, which are routine technical updates to anti-bot verification mechanisms. These changes do not affect privacy rights, data handling practices, or user protections outlined in a privacy policy.
low severity
0 Sentences added
0 Sentences removed
1 Sentences modified
3 Sentences before
3 Sentences after
Added
Removed
Modified
BeforeAfter
0<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title></title> <style> body { font-family: "Arial"; } </style> <script type="text/javascript" nonce="17751947603420.8778479783591072"> function getAjaxObject() { var ajax; if (window.XMLHttpRequest) { try { ajax = new window.XMLHttpRequest(); // XMLHttpRequest (Mozilla, Opera, Safari, etc.) } catch (e) { return false; } } else { var msXML = new Array( // XMLHttpRequest (IE with ActiveX) "Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "Msxml2.XMLHTTP.3.0", "Msxml2.XMLHTTP", "Microsoft.XMLHTTP" ); for (var i = 0; i < msXML.length; i++) { // We want to get the best we can try { ajax = new ActiveXObject(msXML[i]); break; } catch (e) { return false; } } } return ajax; } function sendAjaxRequest(url, data, callback) { const xhr = getAjaxObject(); if (!xhr) { callback(new Error('Unable to create XMLHttpRequest object'), null); return; } xhr.open('POST', url, true); xhr.setRequestHeader('Content-Type', 'application/json'); xhr.setRequestHeader('Accept', 'application/json'); xhr.onreadystatechange = function() { if (xhr.readyState === 4) { if (xhr.status >= 200 && xhr.status < 300) { try { const response = JSON.parse(xhr.responseText); callback(null, response); } catch (error) { callback(error, null); } } else { callback(new Error('HTTP error! status: ' + xhr.status), null); } } }; xhr.onerror = function() { callback(new Error('Network error'), null); }; xhr.send(JSON.stringify(data)); } function reportChallengeError(log, challengeError) { try { sendAjaxRequest( 'https://reports.booking.com/chal_report', { log: log, message: challengeError.message, stack: challengeError.stack }, (e, response) => { if (e) { console.error('Request failed:', e); } else { console.log('Success:', response); } } ); } catch (e) {} } function setupErrorHandling() { // Handle JavaScript errors window.addEventListener('error', function(event) { var error = { message: event.message, stack: event.error ? event.error.stack : '' }; reportChallengeError('javascript_error', error); }); // Handle unhandled promise rejections window.addEventListener('unhandledrejection', function(event) { var error = { message: event.reason && event.reason.message ? event.reason.message : 'Unhandled Promise Rejection', stack: event.reason && event.reason.stack ? event.reason.stack : '' }; reportChallengeError('promise_rejection', error); }); } // Initialize error handling setupErrorHandling(); </script> <script type="text/javascript" nonce="17751947603420.8778479783591072"> window.awsWafCookieDomainList = ['booking.com']; </script> <script type="text/javascript" src="https://www.booking.com/__challenge_h78IRKX3kpQxScCExxShBNwRUlb/d8c14d4960ca/a18a4859af9c/challenge.js" nonce="17751947603420.8778479783591072"></script> <script type="text/javascript" nonce="17751947603420.8778479783591072"> const maxLocationLength = 2047 - "&chal_t=1760623098515&force_referer=".length; function searchStringWithNewParam(search, key, value) { value = encodeURIComponent(value); if (!search.startsWith('?')) { return search + `?${key}=${value}`; } else if (search.endsWith('&')) { return search + `${key}=${value}`; } else { return search + `&${key}=${value}`; } } function getNewUrlWithAddedParameter(location, parameters) { let newSearch = location.search; for (let parameterName of Object.keys(parameters)) { if (!newSearch.includes(`${parameterName}=`)) { newSearch = searchStringWithNewParam(newSearch, parameterName, parameters[parameterName]); } } let newHref = `${location.pathname}${newSearch}${location.hash}`; if (newHref.length < maxLocationLength) { return newHref; } return null; } </script> </head> <body> <div id="challenge-container"></div> <script type="text/javascript" nonce="17751947603420.8778479783591072"> let newHref; try { setTimeout(() => { try { reportChallengeError("Reloaded without updating url", new Error("")); } catch (e) {} document.location.reload(); }, 20000); let referrer = document.referrer; let availableLength = maxLocationLength - document.location.href.length; if (encodeURIComponent(referrer).length > availableLength) { let parsedReferrer = new URL(referrer); referrer = parsedReferrer.origin; if (encodeURIComponent(referrer + parsedReferrer.pathname).length < availableLength) { referrer = referrer + parsedReferrer.pathname; } } let parameters = { chal_t: 1775194760342, force_referer: referrer, }; newHref = getNewUrlWithAddedParameter(document.location, parameters); } catch (e) { reportChallengeError("Failed while getting new href", e); } newHref = newHref || document.location.href; AwsWafIntegration.saveReferrer(); AwsWafIntegration.checkForceRefresh().then((forceRefresh) => { if (forceRefresh) { AwsWafIntegration.forceRefreshToken().then(() => { window.location.href = newHref; }); } else { AwsWafIntegration.getToken().then(() => { window.location.href = newHref; }); } }); </script> <noscript> <h1>JavaScript is disabled</h1> In order to continue, we need to verify that you're not a robot.0<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title></title> <style> body { font-family: "Arial"; } </style> <script type="text/javascript" nonce="17753692585960.5233544015690409"> function getAjaxObject() { var ajax; if (window.XMLHttpRequest) { try { ajax = new window.XMLHttpRequest(); // XMLHttpRequest (Mozilla, Opera, Safari, etc.) } catch (e) { return false; } } else { var msXML = new Array( // XMLHttpRequest (IE with ActiveX) "Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "Msxml2.XMLHTTP.3.0", "Msxml2.XMLHTTP", "Microsoft.XMLHTTP" ); for (var i = 0; i < msXML.length; i++) { // We want to get the best we can try { ajax = new ActiveXObject(msXML[i]); break; } catch (e) { return false; } } } return ajax; } function sendAjaxRequest(url, data, callback) { const xhr = getAjaxObject(); if (!xhr) { callback(new Error('Unable to create XMLHttpRequest object'), null); return; } xhr.open('POST', url, true); xhr.setRequestHeader('Content-Type', 'application/json'); xhr.setRequestHeader('Accept', 'application/json'); xhr.onreadystatechange = function() { if (xhr.readyState === 4) { if (xhr.status >= 200 && xhr.status < 300) { try { const response = JSON.parse(xhr.responseText); callback(null, response); } catch (error) { callback(error, null); } } else { callback(new Error('HTTP error! status: ' + xhr.status), null); } } }; xhr.onerror = function() { callback(new Error('Network error'), null); }; xhr.send(JSON.stringify(data)); } function reportChallengeError(log, challengeError) { try { sendAjaxRequest( 'https://reports.booking.com/chal_report', { log: log, message: challengeError.message, stack: challengeError.stack }, (e, response) => { if (e) { console.error('Request failed:', e); } else { console.log('Success:', response); } } ); } catch (e) {} } function setupErrorHandling() { // Handle JavaScript errors window.addEventListener('error', function(event) { var error = { message: event.message, stack: event.error ? event.error.stack : '' }; reportChallengeError('javascript_error', error); }); // Handle unhandled promise rejections window.addEventListener('unhandledrejection', function(event) { var error = { message: event.reason && event.reason.message ? event.reason.message : 'Unhandled Promise Rejection', stack: event.reason && event.reason.stack ? event.reason.stack : '' }; reportChallengeError('promise_rejection', error); }); } // Initialize error handling setupErrorHandling(); </script> <script type="text/javascript" nonce="17753692585960.5233544015690409"> window.awsWafCookieDomainList = ['booking.com']; </script> <script type="text/javascript" src="https://www.booking.com/__challenge_h78IRKX3kpQxScCExxShBNwRUlb/d8c14d4960ca/a18a4859af9c/challenge.js" nonce="17753692585960.5233544015690409"></script> <script type="text/javascript" nonce="17753692585960.5233544015690409"> const maxLocationLength = 2047 - "&chal_t=1760623098515&force_referer=".length; function searchStringWithNewParam(search, key, value) { value = encodeURIComponent(value); if (!search.startsWith('?')) { return search + `?${key}=${value}`; } else if (search.endsWith('&')) { return search + `${key}=${value}`; } else { return search + `&${key}=${value}`; } } function getNewUrlWithAddedParameter(location, parameters) { let newSearch = location.search; for (let parameterName of Object.keys(parameters)) { if (!newSearch.includes(`${parameterName}=`)) { newSearch = searchStringWithNewParam(newSearch, parameterName, parameters[parameterName]); } } let newHref = `${location.pathname}${newSearch}${location.hash}`; if (newHref.length < maxLocationLength) { return newHref; } return null; } </script> </head> <body> <div id="challenge-container"></div> <script type="text/javascript" nonce="17753692585960.5233544015690409"> let newHref; try { setTimeout(() => { try { reportChallengeError("Reloaded without updating url", new Error("")); } catch (e) {} document.location.reload(); }, 20000); let referrer = document.referrer; let availableLength = maxLocationLength - document.location.href.length; if (encodeURIComponent(referrer).length > availableLength) { let parsedReferrer = new URL(referrer); referrer = parsedReferrer.origin; if (encodeURIComponent(referrer + parsedReferrer.pathname).length < availableLength) { referrer = referrer + parsedReferrer.pathname; } } let parameters = { chal_t: 1775369258596, force_referer: referrer, }; newHref = getNewUrlWithAddedParameter(document.location, parameters); } catch (e) { reportChallengeError("Failed while getting new href", e); } newHref = newHref || document.location.href; AwsWafIntegration.saveReferrer(); AwsWafIntegration.checkForceRefresh().then((forceRefresh) => { if (forceRefresh) { AwsWafIntegration.forceRefreshToken().then(() => { window.location.href = newHref; }); } else { AwsWafIntegration.getToken().then(() => { window.location.href = newHref; }); } }); </script> <noscript> <h1>JavaScript is disabled</h1> In order to continue, we need to verify that you're not a robot.
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