Google Web Toolkit (GWT) XSS

2013.08.05

Credit: David Jorm

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2013-4204

CWE: CWE-79

CVSS Base Score: 4.3/10

Impact Subscore: 2.9/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

I note that with the release of Google Web Toolkit (GWT) 2.5.1, a security flaw has been resolved:

http://www.gwtproject.org/release-notes.html#Release_Notes_2_5_1_RC1 ("Security Fixes")

The release notes state:
Fixed an XSS vulnerability in html files used by GWTTestCase (patch). These files will only be included in a GWT app if 
it depends on the JUnit module. Despite the fix, this is not recommended.

The patch is here:
https://code.google.com/p/google-web-toolkit/source/detail?r=11385

I have reproduced this flaw and can confirm it is reflected XSS. I have previously contacted security () google asking 
for CVE IDs for GWT flaws, but never received a response. Please assign a CVE ID to this flaw.

References:

https://code.google.com/p/google-web-toolkit/source/detail?r=11385

http://www.gwtproject.org/release-notes.html#Release_Notes_2_5_1_RC1

See this note in RAW Version

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Google Web Toolkit (GWT) XSS

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