diff --git a/python/ql/lib/semmle/python/frameworks/lxml.model.yml b/python/ql/lib/semmle/python/frameworks/lxml.model.yml
new file mode 100644
index 00000000000..77e69758ae8
--- /dev/null
+++ b/python/ql/lib/semmle/python/frameworks/lxml.model.yml
@@ -0,0 +1,6 @@
+extensions:
+  - addsTo:
+      pack: codeql/python-all
+      extensible: summaryModel
+    data:
+      - ['lxml', 'Member[etree].Member[fromstringlist]', 'Argument[0,strings:].ListElement', 'ReturnValue', 'taint']
diff --git a/python/ql/lib/semmle/python/frameworks/xml.model.yml b/python/ql/lib/semmle/python/frameworks/xml.model.yml
new file mode 100644
index 00000000000..96ea8480f93
--- /dev/null
+++ b/python/ql/lib/semmle/python/frameworks/xml.model.yml
@@ -0,0 +1,6 @@
+extensions:
+  - addsTo:
+      pack: codeql/python-all
+      extensible: summaryModel
+    data:
+      - ['xml', 'Member[etree].Member[fromstringlist]', 'Argument[0,strings:].ListElement', 'ReturnValue', 'taint']