GHSA-8c6x-g4fw-8rf4: Whatsapp Chat Exporter Cross-Site Scripting Vulnerability

MODERATE
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CVSS 5.4
CWE-79
Published
Advisory Summary

GHSA-8c6x-g4fw-8rf4 is a MODERATE (CVSS 5.4) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Whatsapp Chat Exporter libraries in the PyPI ecosystem. The issue involves whatsapp-chat-exporter has cross-site scripting vulnerability in html output of chats.. Remediation is available by upgrading affected packages to version 0.9.5.

GHSA-8c6x-g4fw-8rf4 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-8c6x-g4fw-8rf4
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Whatsapp Chat Exporter
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 5.4

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:U/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 Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix GHSA-8c6x-g4fw-8rf4

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

Whatsapp-Chat-Exporter fixed: 0.9.5 
pip install Whatsapp-Chat-Exporter>=0.9.5
Verify Direct and Transitive Dependencies

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

pip show Whatsapp-Chat-Exporter

How to Check if You Are Affected

To determine whether your Python environment is affected by GHSA-8c6x-g4fw-8rf4, inspect your installed packages using pip:

pip show Whatsapp-Chat-Exporter

Analyze the terminal output to locate any version of Whatsapp Chat Exporter in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.9.5), your application is affected.

Note: The pip show Whatsapp-Chat-Exporter command checks currently installed packages in your active Python environment.

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 Whatsapp Chat Exporter, 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

### Impact A Cross-Site Scripting (XSS) vulnerability was found in the HTML output of chats. XSS is intended to be mitigated by Jinja's escape function. However, `autoescape=True` was missing when setting the environment. Although the actual impact is low, considering the HTML file is being viewed offline, an adversary may still be able to inject malicious payloads into the chat through WhatsApp. All users are affected. ### Patches The vulnerability is patched in 0.9.5. All users are strongly advised to update the exporter to the latest version. ### Workarounds No workaround is available. Please update the exporter to the latest version. ### References https://github.com/KnugiHK/WhatsApp-Chat-Exporter/commit/bfdc68cd6ad53ceecf132773f9aaba50dd80fe79 https://owasp.org/www-community/attacks/xss/

GHSA-8c6x-g4fw-8rf4 Affected Whatsapp Chat Exporter Versions

1 component(s)
Fixed Versions:
0.9.5
Product / Package Ecosystem Affected Versions Fixed Version
Whatsapp-Chat-Exporter
pypi/Whatsapp-Chat-Exporter
PyPI
< 0.9.5
0.9.5

References

GitHub Advisory / Wiki ADVISORY
https://github.com/KnugiHK/WhatsApp-Chat-Exporter/security/advisories/GHSA-8c6x-g4fw-8rf4
Security Fix Commit FIX COMMIT
https://github.com/KnugiHK/WhatsApp-Chat-Exporter/commit/bfdc68cd6ad53ceecf132773f9aaba50dd80fe79
Whatsapp Chat Exporter Source Repository REPOSITORY
https://github.com/KnugiHK/WhatsApp-Chat-Exporter

Frequently Asked Questions

What is GHSA-8c6x-g4fw-8rf4?
GHSA-8c6x-g4fw-8rf4 is a security vulnerability in Whatsapp Chat Exporter involving Whatsapp-Chat-Exporter has Cross-Site Scripting vulnerability in HTML output of chats. under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Whatsapp Chat Exporter versions are affected?
Affected versions include releases prior to 0.9.5 across affected packages: Whatsapp-Chat-Exporter.
What version fixes GHSA-8c6x-g4fw-8rf4?
Upgrading to 0.9.5 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Whatsapp-Chat-Exporter affected?
Yes, Whatsapp-Chat-Exporter is affected in releases prior to 0.9.5. Upgrade your dependency to 0.9.5 or later.
What is the CVSS score of GHSA-8c6x-g4fw-8rf4?
GHSA-8c6x-g4fw-8rf4 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
What CWE is associated with GHSA-8c6x-g4fw-8rf4?
GHSA-8c6x-g4fw-8rf4 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 PyPI dependencies for GHSA-8c6x-g4fw-8rf4?
Run the dependency tree command: 'pip show Whatsapp-Chat-Exporter'. 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-8c6x-g4fw-8rf4",
  "modified" : "2023-07-10T21:54:36Z",
  "published" : "2023-07-10T21:54:36Z",
  "aliases" : [ ],
  "summary" : "Whatsapp-Chat-Exporter has Cross-Site Scripting vulnerability in HTML output of chats.",
  "details" : "### Impact\nA Cross-Site Scripting (XSS) vulnerability was found in the HTML output of chats. XSS is intended to be mitigated by Jinja's escape function. However, `autoescape=True` was missing when setting the environment. Although the actual impact is low, considering the HTML file is being viewed offline, an adversary may still be able to inject malicious payloads into the chat through WhatsApp. All users are affected.\n\n### Patches\nThe vulnerability is patched in 0.9.5. All users are strongly advised to update the exporter to the latest version.\n\n### Workarounds\nNo workaround is available. Please update the exporter to the latest version.\n\n### References\nhttps://github.com/KnugiHK/WhatsApp-Chat-Exporter/commit/bfdc68cd6ad53ceecf132773f9aaba50dd80fe79\nhttps://owasp.org/www-community/attacks/xss/",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "Whatsapp-Chat-Exporter"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.9.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/KnugiHK/WhatsApp-Chat-Exporter/security/advisories/GHSA-8c6x-g4fw-8rf4"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/KnugiHK/WhatsApp-Chat-Exporter/commit/bfdc68cd6ad53ceecf132773f9aaba50dd80fe79"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/KnugiHK/WhatsApp-Chat-Exporter"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-10T21:54:36Z",
    "nvd_published_at" : null
  }
}