CVE-2023-1239: Github.com/answerdev/answer Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-vxhr-p2vp-7gf8
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CVSS 4.8
CWE-79
Published
Advisory Summary

CVE-2023-1239 is a MODERATE (CVSS 4.8) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Github.com/answerdev/answer libraries in the Go ecosystem. The issue involves answer vulnerable to cross-site scripting. Remediation is available by upgrading affected packages to version 1.0.6.

CVE-2023-1239 at a Glance

CVE Identifier CVE-2023-1239
GHSA Identifier GHSA-vxhr-p2vp-7gf8
Severity MODERATE
CVSS v3.1 Base Score 4.8
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Github.com/answerdev/answer
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 4.8

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

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

How to Fix CVE-2023-1239

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

github.com/answerdev/answer fixed: 1.0.6 
Upgrade github.com/answerdev/answer to 1.0.6
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 github.com/answerdev/answer

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-1239, inspect your project dependencies for Github.com/answerdev/answer:

inspect dependencies for github.com/answerdev/answer

Analyze the terminal output to locate any version of Github.com/answerdev/answer in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.0.6), 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 Github.com/answerdev/answer, 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) - Reflected in GitHub repository answerdev/answer prior to 1.0.6.

CVE-2023-1239 Affected Github.com/answerdev/answer Versions

1 component(s)
Fixed Versions:
1.0.6
Product / Package Ecosystem Affected Versions Fixed Version
github.com/answerdev/answer
golang/github.com/answerdev/answer
Go
< 1.0.6
1.0.6

References

NVD — CVE-2023-1239 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1239
Security Fix Commit FIX COMMIT
https://github.com/answerdev/answer/commit/9870ed87fb24ed468aaf1e169c2d028e0f375106
Github.com/answerdev/answer Source Repository REPOSITORY
https://github.com/answerdev/answer
huntr.dev/bounties/3a22c609-d... WEB
https://huntr.dev/bounties/3a22c609-d2d8-4613-815d-58f5990b8bd8

Frequently Asked Questions

What is CVE-2023-1239?
CVE-2023-1239 is a security vulnerability in Github.com/answerdev/answer involving Answer vulnerable to Cross-site Scripting under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Github.com/answerdev/answer versions are affected?
Affected versions include releases prior to 1.0.6 across affected packages: github.com/answerdev/answer.
What version fixes CVE-2023-1239?
Upgrading to 1.0.6 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/answerdev/answer affected?
Yes, github.com/answerdev/answer is affected in releases prior to 1.0.6. Upgrade your dependency to 1.0.6 or later.
What is the CVSS score of CVE-2023-1239?
CVE-2023-1239 has a CVSS v3.1 base score of 4.8 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2023-1239?
CVE-2023-1239 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 Go dependencies for CVE-2023-1239?
Run the dependency tree command: 'inspect dependencies for github.com/answerdev/answer'. 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-vxhr-p2vp-7gf8",
  "modified" : "2023-03-13T15:32:36Z",
  "published" : "2023-03-07T09:30:30Z",
  "aliases" : [ "CVE-2023-1239" ],
  "summary" : "Answer vulnerable to Cross-site Scripting",
  "details" : "Cross-site Scripting (XSS) - Reflected in GitHub repository answerdev/answer prior to 1.0.6.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/answerdev/answer"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.0.6"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-1239"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/answerdev/answer/commit/9870ed87fb24ed468aaf1e169c2d028e0f375106"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/answerdev/answer"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/3a22c609-d2d8-4613-815d-58f5990b8bd8"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-03-08T17:11:18Z",
    "nvd_published_at" : "2023-03-07T08:15:00Z"
  }
}