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Vulnerability record · CVE-2011-2745 · published 27 July 2011

CVE-2011-2745: Chyrp permissions and access controls vulnerability

Chyrp · Chyrp

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/.

6.5 CVSS 2.0 Medium EPSS 2.0% · top 19.8% CWE-264 · Permissions and access controls
6.5CVSS 2.0 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 6 tagged exploit
16 Jun 2026Last modified by NVD

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/.

AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2025-69768Chyrp sql injection vulnerabilitySQL Injection vulnerability in Chyrp v.2.5.2 and before allows a remote attacker to obtain sensitive information via the Admin.php componentEPSS 0.41%6.8CVE-2011-2744Chyrp path traversal vulnerabilityDirectory traversal vulnerability in Chyrp 2.1 and earlier allows remote attackers to include and execute arbitrary local files via a ..%2F (encoded …EPSS 9.0%6.1CVE-2012-1001Chyrp cross-site scripting vulnerabilityMultiple cross-site scripting (XSS) vulnerabilities in Chyrp before 2.1.2 and before 2.5 Beta 2 allow remote attackers to inject arbitrary web script…EPSS 3.6%5.3CVE-2024-58285Chyrp cross-site scripting vulnerabilityChyrp 2.5.2 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into post titles. Attack…EPSS 0.26%5.0CVE-2011-2780Chyrp path traversal vulnerabilityDirectory traversal vulnerability in includes/lib/gz.php in Chyrp 2.0 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) …EPSS 13%4.3CVE-2011-2743Chyrp cross-site scripting vulnerabilityMultiple cross-site scripting (XSS) vulnerabilities in Chyrp 2.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the ac…EPSS 2.3%3.5CVE-2014-7264Chyrp cross-site scripting vulnerabilityMultiple cross-site scripting (XSS) vulnerabilities in admin/themes/default/pages/manage_users.twig in the Users Management feature in the admin comp…EPSS 1.4%5.1CVE-2015-3246libuser userhelper direct /etc/passwd write race conditionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used by the userhelper program in the usermode package, modifies /etc/passwd directly instead of …KEVEPSS 8.8%analysed

Source: NIST National Vulnerability Database (record CVE-2011-2745), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.