CVE-2011-2745

Severity: medium (CVSS 6.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-07-27 · updated 2026-06-16
Weakness: CWE-264

Description

upload_handler.php in the swfupload extension in Chyrp 2.0 and earlier relies on client-side JavaScript code to restrict the file extensions of uploaded files, which allows remote authenticated users to upload a .php file, and consequently execute arbitrary PHP code, via a write_post action to the default URI under admin/.

Affected products

Chyrp: through 2.0

References

http://securityreason.com/securityalert/8314
http://www.justanotherhacker.com/advisories/JAHx113.txt
http://www.openwall.com/lists/oss-security/2011/07/13/5
http://www.openwall.com/lists/oss-security/2011/07/13/6
http://www.securityfocus.com/bid/48672
http://securityreason.com/securityalert/8314
http://www.justanotherhacker.com/advisories/JAHx113.txt
http://www.openwall.com/lists/oss-security/2011/07/13/5
http://www.openwall.com/lists/oss-security/2011/07/13/6
http://www.securityfocus.com/bid/48672

Get alerted when CVE-2011-2745 or the next vulnerability affects your stack