Description
Cross-site scripting (XSS) vulnerability in the process function in SSViewer.php in SilverStripe before 2.3.13 and 2.4.x before 2.4.6 allows remote attackers to inject arbitrary web script or HTML via the QUERY_STRING to template placeholders, as demonstrated by a request to (1) admin/reports/, (2) admin/comments/, (3) admin/, (4) admin/show/, (5) admin/assets/, and (6) admin/security/.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- SilverStripe CMS 2.4.5 - Multiple Cross-Site Scripting Vulnerabilities EDB-36226 · webapps · Oct 11, 2011 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20111008 SilverStripe 2.4.5 Multiple backend Cross-site scripting vulnerabilities mailing-list
- http://doc.silverstripe.org/sapphire/en/trunk/changelogs/2.4.6
- http://doc.silverstripe.org/sapphire/en/trunk/changelogs/2.3.12
- 76258 vdb-entry
- https://github.com/silverstripe/sapphire/commit/bdd6391
- 46390 third-party-advisory
- https://github.com/silverstripe/sapphire/commit/52a895f
- https://github.com/silverstripe/sapphire/commit/16c3235
- http://www.rul3z.de/advisories/SSCHADV2011-024.txt