XSS for eml and others (#5967)

This commit is contained in:
Anthony Stirling
2026-03-20 11:55:23 +00:00
committed by GitHub
parent 55bcb92810
commit 9e8606cab4
4 changed files with 27 additions and 7 deletions
@@ -226,10 +226,11 @@ public class SsrfProtectionService {
}
private boolean isPrivateIPv4Range(String ip) {
// Includes RFC1918, loopback, link-local, and unspecified addresses
// Includes RFC1918, RFC6598, loopback, link-local, and unspecified addresses
return ip.startsWith("10.")
|| ip.startsWith("192.168.")
|| (ip.startsWith("172.") && isInRange172(ip))
|| (ip.startsWith("100.") && isInRange100(ip))
|| ip.startsWith("169.254.")
|| ip.startsWith("127.")
|| "0.0.0.0".equals(ip);
@@ -247,6 +248,18 @@ public class SsrfProtectionService {
return false;
}
private boolean isInRange100(String ip) {
String[] parts = ip.split("\\.");
if (parts.length >= 2) {
try {
int secondOctet = Integer.parseInt(parts[1]);
return secondOctet >= 64 && secondOctet <= 127;
} catch (NumberFormatException e) {
}
}
return false;
}
private boolean isCloudMetadataAddress(String ip) {
String normalizedIp = normalizeIpv4MappedAddress(ip);
// Cloud metadata endpoints for AWS, GCP, Azure, Oracle Cloud, and IBM Cloud
@@ -13,11 +13,17 @@ public class EmlToPdf {
public static String convertEmlToHtml(byte[] emlBytes, EmlToPdfRequest request)
throws IOException {
return convertEmlToHtml(emlBytes, request, null);
}
public static String convertEmlToHtml(
byte[] emlBytes, EmlToPdfRequest request, CustomHtmlSanitizer customHtmlSanitizer)
throws IOException {
EmlProcessingUtils.validateEmlInput(emlBytes);
EmlParser.EmailContent emailContent =
EmlParser.extractEmailContent(emlBytes, request, null);
return EmlProcessingUtils.generateEnhancedEmailHtml(emailContent, request, null);
EmlParser.extractEmailContent(emlBytes, request, customHtmlSanitizer);
return EmlProcessingUtils.generateEnhancedEmailHtml(emailContent, request, customHtmlSanitizer);
}
public static byte[] convertEmlToPdf(