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gh-148954: sanitize methodname in xmlrpc.client.dumps() to prevent XML injection #148968

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gh-148954: sanitize methodname in xmlrpc.client.dumps() to prevent XML injection #148968

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4e67dfd
gh-148954: sanitize methodname in xmlrpc.client.dumps() to prevent XM…
sanyamk23 Apr 24, 2026
6e1f96d
gh-148954: add tests for methodname sanitization in dumps()
sanyamk23 Apr 24, 2026
115b915
gh-148954: rename test and wrap long line
sanyamk23 Apr 24, 2026
4392570
gh-148954: remove test comments
sanyamk23 Apr 24, 2026
bbf4bdf
gh-148954: move NEWS entry to Library
sanyamk23 Apr 24, 2026
f1ed021
Merge branch 'main' into fix-xmlrpc-methodname-sanitization
sanyamk23 Apr 30, 2026
1681c28
Merge branch 'main' into fix-xmlrpc-methodname-sanitization
sanyamk23 May 6, 2026
128293a
Merge branch 'main' into fix-xmlrpc-methodname-sanitization
sanyamk23 May 7, 2026
4157057
Merge branch 'main' into fix-xmlrpc-methodname-sanitization
serhiy-storchaka May 9, 2026
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2 changes: 1 addition & 1 deletion Lib/xmlrpc/client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -965,7 +965,7 @@ def dumps(params, methodname=None, methodresponse=None, encoding=None,
data = (
xmlheader,
"<methodCall>\n"
"<methodName>", methodname, "</methodName>\n",
"<methodName>", escape(methodname), "</methodName>\n",
data,
"</methodCall>\n"
)
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Security/2026-04-24-19-54-00.gh-issue-148954.v1.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fix XML injection vulnerability in :func:`xmlrpc.client.dumps` where the ``methodname``
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was not being escaped before interpolation into the XML body.
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