CVE-2011-2743

Chyrp < 2.1 - Cross-Site Scripting via Action Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2011-2743. PoCs published by Wireghoul.

AI-analyzed exploit summary The provided text describes multiple vulnerabilities in Chyrp 2.1, including XSS, local file inclusion, arbitrary file upload, and directory traversal. It includes a sample URL demonstrating an XSS vulnerability but lacks executable exploit code.

Description

Multiple cross-site scripting (XSS) vulnerabilities in Chyrp 2.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the action parameter to (1) the default URI or (2) includes/javascript.php, or the (3) title or (4) body parameter to admin/help.php.

Exploits (2)

exploitdb WRITEUP VERIFIED
by Wireghoul · textwebappsphp
https://www.exploit-db.com/exploits/35944

The provided text describes multiple vulnerabilities in Chyrp 2.1, including XSS, local file inclusion, arbitrary file upload, and directory traversal. It includes a sample URL demonstrating an XSS vulnerability but lacks executable exploit code.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Theoretical
Target: Chyrp 2.1
No auth needed
Prerequisites: Access to the vulnerable Chyrp instance
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →
exploitdb WRITEUP VERIFIED
by Wireghoul · textwebappsphp
https://www.exploit-db.com/exploits/35943

The provided text describes multiple vulnerabilities in Chyrp 2.1, including XSS, local file inclusion, arbitrary file upload, and directory traversal. It includes a sample XSS payload but lacks executable exploit code.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Theoretical
Target: Chyrp 2.1
No auth needed
Prerequisites: Access to the target URL
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (10)

Core 10
Core References
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/8312
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/68563
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/48672
Various Sources x_refsource_misc
http://www.ocert.org/advisories/ocert-2011-001.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/73888
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/518890/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/73887
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/73889
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/45184

Scores

EPSS 0.0233
EPSS Percentile 81.5%

Details

CWE
CWE-79
Status published
Products (3)
chyrp/chyrp 2.0
chyrp/chyrp 2.1 beta1 (3 CPE variants)
chyrp/chyrp < 2.1
Published Jul 19, 2011
Tracked Since Feb 18, 2026