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TITLE:
WordPress Pretty Link Plugin Multiple Cross-Site Scripting
Vulnerabilities

SECUNIA ADVISORY ID:
SA46432

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46432/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46432

RELEASE DATE:
2011-10-13

DISCUSS ADVISORY:
http://secunia.com/advisories/46432/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/46432/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=46432

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
High-Tech Bridge SA has discovered multiple vulnerabilities in the
Pretty Link plugin for WordPress, which can be exploited by malicious
people to conduct cross-site scripting attacks.

1) Input passed via the "min_date" parameter to
wp-content/plugins/pretty-link/classes/views/prli-clicks/head.php,
the "message" parameter to
wp-content/plugins/pretty-link/classes/views/prli-dashboard-widget/widget.php,
the "errors[]" parameter to
wp-content/plugins/pretty-link/classes/views/shared/errors.php, and
the "page_first_record", "page_last_record", "record_count",
"controller_file", and "page_params" parameters to
wp-content/plugins/pretty-link/classes/views/shared/table-nav.php is
not properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

2) Input passed via various parameters to
wp-content/plugins/pretty-link/classes/views/prli-links/form.php is
not properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

Examples:
http://[host]/wp-content/plugins/pretty-link/classes/views/prli-links/form.php?prli_blogurl=[script]
http://[host]/wp-content/plugins/pretty-link/classes/views/prli-links/form.php?values[slug]=[script]
http://[host]/wp-content/plugins/pretty-link/classes/views/prli-links/form.php?values[redirect_type][307]=[script]

Successful exploitation requires that "register_globals" is enabled.

The vulnerabilities are confirmed in version 1.4.56. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
High-Tech Bridge SA

ORIGINAL ADVISORY:
https://www.htbridge.ch/advisory/multiple_vulnerabilities_in_pretty_link_wordpress_plugin.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
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private users keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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