CVE-2021-43678: Gaoming13/wechat php sdk Wechat-php-sdk Is Affected By A Vulnerability

MODERATE
Advisory Identifier: GHSA-rwqq-p4p9-5wpq
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2021-43678 is a MODERATE (CVSS 6.1) wechat-php-sdk is affected by a vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Gaoming13/wechat php sdk libraries in the Packagist ecosystem. The issue involves wechat-php-sdk is affected by a cross site scripting vulnerability.. Remediation is available in the latest vendor maintenance releases.

CVE-2021-43678 at a Glance

CVE Identifier CVE-2021-43678
GHSA Identifier GHSA-rwqq-p4p9-5wpq
Severity MODERATE
CVSS v3.1 Base Score 6.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Gaoming13/wechat php sdk
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.1

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:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
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-2021-43678

To remediate this vulnerability, upgrade all affected Gaoming13/wechat php sdk dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

gaoming13/wechat-php-sdk fixed: Latest secure release 
Upgrade gaoming13/wechat-php-sdk to 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: 

inspect dependencies for gaoming13/wechat-php-sdk

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-43678, inspect your project dependencies for Gaoming13/wechat php sdk:

inspect dependencies for gaoming13/wechat-php-sdk

Analyze the terminal output to locate any version of Gaoming13/wechat php sdk 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: 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 Gaoming13/wechat php sdk, 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

Wechat-php-sdk v1.10.2 is affected by a Cross Site Scripting (XSS) vulnerability in Wechat.php.

CVE-2021-43678 Affected Gaoming13/wechat php sdk Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
gaoming13/wechat-php-sdk
 Packagist
≤ 1.10.2

References

NVD — CVE-2021-43678 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43678
Gaoming13/wechat php sdk Source Repository REPOSITORY
https://github.com/gaoming13/wechat-php-sdk/issues/30
Gaoming13/wechat php sdk Source Repository REPOSITORY
https://github.com/gaoming13/wechat-php-sdk

Frequently Asked Questions

What is CVE-2021-43678?
CVE-2021-43678 is a security vulnerability in Gaoming13/wechat php sdk involving Wechat-php-sdk is affected by a Cross Site Scripting vulnerability. under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Gaoming13/wechat php sdk versions are affected?
Affected versions include releases prior to current release patches across affected packages: gaoming13/wechat-php-sdk.
What version fixes CVE-2021-43678?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is gaoming13/wechat-php-sdk affected?
Yes, gaoming13/wechat-php-sdk 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-2021-43678?
CVE-2021-43678 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2021-43678?
CVE-2021-43678 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-2021-43678?
Run the dependency tree command: 'inspect dependencies for gaoming13/wechat-php-sdk'. 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-rwqq-p4p9-5wpq",
  "modified" : "2022-01-04T20:03:15Z",
  "published" : "2022-01-07T00:00:29Z",
  "aliases" : [ "CVE-2021-43678" ],
  "summary" : "Wechat-php-sdk is affected by a Cross Site Scripting vulnerability.",
  "details" : "Wechat-php-sdk v1.10.2 is affected by a Cross Site Scripting (XSS) vulnerability in Wechat.php.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "gaoming13/wechat-php-sdk"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.10.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-43678"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/gaoming13/wechat-php-sdk/issues/30"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/gaoming13/wechat-php-sdk"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-01-04T20:03:15Z",
    "nvd_published_at" : "2021-12-17T13:15:00Z"
  }
}