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Fixed Vulnerbuility CVE-2020-13697 #626

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Fixed Vulnerbuility CVE-2020-13697 #626

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8 changes: 6 additions & 2 deletions nanolets/src/main/java/org/nanohttpd/router/RouterNanoHTTPD.java
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Original file line number Diff line number Diff line change
Expand Up @@ -162,8 +162,8 @@ public Response get(UriResource uriResource, Map<String, String> urlParams, IHTT
Map<String, String> queryParams = session.getParms();
if (queryParams.size() > 0) {
for (Map.Entry<String, String> entry : queryParams.entrySet()) {
String key = entry.getKey();
String value = entry.getValue();
String key = sanitise(entry.getKey());
String value = sanitise(entry.getValue());
text.append("<p>Param '");
text.append(key);
text.append("' = ");
Expand All @@ -175,6 +175,10 @@ public Response get(UriResource uriResource, Map<String, String> urlParams, IHTT
}
return Response.newFixedLengthResponse(getStatus(), getMimeType(), text.toString());
}

private String sanitise(String possibleCode) {
return org.apache.commons.text.StringEscapeUtils.escapeHtml4(possibleCode);
}
}

/**
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5 changes: 5 additions & 0 deletions pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -348,6 +348,11 @@
</plugins>
</reporting>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-text</artifactId>
<version>1.9</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
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