wisdom Pegasus CMS 1.0 Parameter extra_fields.php action path traversal

Summaryinfo

A vulnerability was found in wisdom Pegasus CMS 1.0. It has been classified as critical. This affects an unknown function of the file extra_fields.php of the component Parameter Handler. The manipulation of the argument action leads to path traversal. This vulnerability is documented as CVE-2019-25687. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in wisdom Pegasus CMS 1.0 and classified as critical. This issue affects an unknown code block of the file extra_fields.php of the component Parameter Handler. The manipulation of the argument action with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Pegasus CMS 1.0 contains a remote code execution vulnerability in the extra_fields.php plugin that allows unauthenticated attackers to execute arbitrary commands by exploiting unsafe eval functionality. Attackers can send POST requests to the submit.php endpoint with malicious PHP code in the action parameter to achieve code execution and obtain an interactive shell.

The weakness was released by R3zk0n as 46542. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2019-25687 since 04/05/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:extra_fields.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46542). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• wisdom

Name

• Pegasus CMS

Version

• 1.0

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion