CVE-2021-33988: Microweber/microweber Cross Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-w7x8-cq7r-g5g9
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CWE-79
Published
Advisory Summary

CVE-2021-33988 is a MODERATE cross site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Microweber/microweber libraries in the Packagist ecosystem. The issue involves cross site scripting in microweber. Remediation is available by upgrading affected packages to version 1.2.8.

CVE-2021-33988 at a Glance

CVE Identifier CVE-2021-33988
GHSA Identifier GHSA-w7x8-cq7r-g5g9
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Microweber/microweber
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2021-33988

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

microweber/microweber fixed: 1.2.8 
Upgrade microweber/microweber to 1.2.8
Verify Direct and Transitive Dependencies

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

inspect dependencies for microweber/microweber

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-33988, inspect your project dependencies for Microweber/microweber:

inspect dependencies for microweber/microweber

Analyze the terminal output to locate any version of Microweber/microweber in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.2.8), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Microweber/microweber, 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

Cross Site Scripting (XSS). vulnerability exists in Microweber CMS 1.2.7 via the Login form, which could let a malicious user execute Javascript by Inserting code in the request form.

CVE-2021-33988 Affected Microweber/microweber Versions

1 component(s)
Fixed Versions:
1.2.8
Product / Package Ecosystem Affected Versions Fixed Version
microweber/microweber
 Packagist
< 1.2.8
1.2.8

References

NVD — CVE-2021-33988 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33988
Microweber/microweber Source Repository REPOSITORY
https://github.com/nck0099/osTicket/issues/2
Microweber/microweber Source Repository REPOSITORY
https://github.com/microweber/microweber

Frequently Asked Questions

What is CVE-2021-33988?
CVE-2021-33988 is a security vulnerability in Microweber/microweber involving Cross Site Scripting in Microweber under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Microweber/microweber versions are affected?
Affected versions include releases prior to 1.2.8 across affected packages: microweber/microweber.
What version fixes CVE-2021-33988?
Upgrading to 1.2.8 (or the latest patched release for your respective branch) resolves the vulnerability.
Is microweber/microweber affected?
Yes, microweber/microweber is affected in releases prior to 1.2.8. Upgrade your dependency to 1.2.8 or later.
What CWE is associated with CVE-2021-33988?
CVE-2021-33988 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Packagist dependencies for CVE-2021-33988?
Run the dependency tree command: 'inspect dependencies for microweber/microweber'. 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-w7x8-cq7r-g5g9",
  "modified" : "2021-10-22T19:37:10Z",
  "published" : "2021-10-25T19:43:39Z",
  "aliases" : [ "CVE-2021-33988" ],
  "summary" : "Cross Site Scripting in Microweber",
  "details" : "Cross Site Scripting (XSS). vulnerability exists in Microweber CMS 1.2.7 via the Login form, which could let a malicious user execute Javascript by Inserting code in the request form.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "microweber/microweber"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.2.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-33988"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/nck0099/osTicket/issues/2"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/microweber/microweber"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-10-22T19:37:10Z",
    "nvd_published_at" : "2021-10-19T17:15:00Z"
  }
}