What is the CVSS score of CVE-2018-1000090?

CVE-2018-1000090 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2018-1000090?

Yes, a public proof-of-concept exploit is available for CVE-2018-1000090. Prioritise patching immediately. EPSS: 1.4%.

Textpattern CVE-2018-1000090

HIGH

Improper Restriction of XML External Entity Reference (CWE-611)

2018-03-13 cve@mitre.org

Denial Of Service XXE Textpattern

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Mar 13, 2018 - 15:29 nvd

HIGH 7.5

DescriptionNVD

textpattern version version 4.6.2 contains a XML Injection vulnerability in Import XML feature that can result in Denial of service in context to the web server by exhausting server memory resources. This attack appear to be exploitable via Uploading a specially crafted XML file.

AnalysisAI

textpattern version version 4.6.2 contains a XML Injection vulnerability in Import XML feature that can result in Denial of service in context to the web server by exhausting server memory resources. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. textpattern version version 4.6.2 contains a XML Injection vulnerability in Import XML feature that can result in Denial of service in context to the web server by exhausting server memory resources. This attack appear to be exploitable via Uploading a specially crafted XML file. Affected products include: Textpattern. Version information: version 4.6.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.