CVE-2022-28118: Siteserver Remote Code Execution Vulnerability

CRITICAL
Advisory Identifier: GHSA-q469-j32f-h7vm
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CVSS 9.8
Published
Advisory Summary

CVE-2022-28118 is a CRITICAL (CVSS 9.8) remote code execution vulnerability (General Security Weakness) affecting Siteserver libraries in the npm ecosystem. The issue involves rce in siteserver cms. Remediation is available in the latest vendor maintenance releases.

CVE-2022-28118 at a Glance

CVE Identifier CVE-2022-28118
GHSA Identifier GHSA-q469-j32f-h7vm
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification General Security Weakness
Affected Product Siteserver
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-28118

To remediate this vulnerability, upgrade all affected Siteserver dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

siteserver fixed: Latest secure release 
npm install siteserver@Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls siteserver

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2022-28118, inspect your project dependencies using npm:

npm ls siteserver

Analyze the terminal output to locate any version of Siteserver in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The npm ls siteserver command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Siteserver, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

SiteServer CMS v7.x, which SiteServer UI relies on, allows attackers to execute arbitrary code via a crafted plug-in.

CVE-2022-28118 Affected Siteserver Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
siteserver
npm/siteserver
npm
≥ 7.0.0

References

NVD — CVE-2022-28118 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-28118
Siteserver Source Repository REPOSITORY
https://github.com/siteserver/cms/issues/3386
Siteserver Source Repository REPOSITORY
https://github.com/Richard-Tang/SSCMS-PluginShell/blob/main/Detail.md
Siteserver Source Repository REPOSITORY
https://github.com/siteserver/cms

Frequently Asked Questions

What is CVE-2022-28118?
CVE-2022-28118 is a security vulnerability in Siteserver involving RCE in SiteServer CMS under General Security Weakness.
Which Siteserver versions are affected?
Affected versions include releases prior to current release patches across affected packages: siteserver.
What version fixes CVE-2022-28118?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is siteserver affected?
Yes, siteserver is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2022-28118?
CVE-2022-28118 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-28118?
CVE-2022-28118 is classified under General Security Weakness.
How can I check npm dependencies for CVE-2022-28118?
Run the dependency tree command: 'npm ls siteserver'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-q469-j32f-h7vm",
  "modified" : "2023-07-11T00:21:33Z",
  "published" : "2022-05-04T00:00:26Z",
  "aliases" : [ "CVE-2022-28118" ],
  "summary" : "RCE in SiteServer CMS",
  "details" : "SiteServer CMS  v7.x, which SiteServer UI relies on, allows attackers to execute arbitrary code via a crafted plug-in.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "siteserver"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-28118"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/siteserver/cms/issues/3386"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Richard-Tang/SSCMS-PluginShell/blob/main/Detail.md"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/siteserver/cms"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-11T00:21:33Z",
    "nvd_published_at" : "2022-05-03T01:15:00Z"
  }
}