DomPDF - Path Traversal (CVE-2014-2383)
480Exploiting IPs reported
dompdf.php in dompdf before 0.6.1, when DOMPDF_ENABLE_PHP is enabled, allows context-dependent attackers to bypass chroot protections and read arbitrary files via a PHP protocol and wrappers in the input_file parameter, as demonstrated by a php://filter/read=convert.base64-encode/resource in the input_file parameter.
CrowdSec analysis
CVE-2014-2383 is a vulnerability affecting the dompdf library, which can allow attackers to bypass security restrictions and access arbitrary files through specially crafted parameters.
CrowdSec has been tracking this vulnerability and its exploits since 7th of May 2025.
Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2014-2383 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. CrowdSec network telemetry also shows that exploitation of CVE-2014-2383 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.
Observed attack patterns are aimed at URLs referencing various dompdf.php paths across plugin or library directories.
Exploitation
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Protection
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Blocklist
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
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