# CVE-2020-13956: Cross-site scripting in Apache HttpClient

Source: https://junglewise.ai/threats/cve-2020-13956-cross-site-scripting-in-apache-httpclient  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-06-03  
License: CC BY 4.0 with a link back

CVE-2020-13956 · Severity: low · CVSS 3.1 · Published 2021-06-03

Cross-site scripting in Apache HttpClient

Technologies: [org.apache.httpcomponents:httpclient (Maven)](https://junglewise.ai/threats/technologies/org-apache-httpcomponents-httpclient). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2020-13956 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-13956 being exploited in the wild.

**How severe is CVE-2020-13956?** Low severity, with a CVSS score of 3.1, published 3 June 2021.

**Which products and versions are affected?** org.apache.httpcomponents:httpclient (Maven) ECOSYSTEM:introduced=0,fixed=4.5.13.

**Is there a fix for CVE-2020-13956?** Yes. org.apache.httpcomponents:httpclient (Maven): upgrade to 4.5.13 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-13956?** Check whether you run org.apache.httpcomponents:httpclient (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.apache.httpcomponents:httpclient (Maven): upgrade to 4.5.13 or later

  ```sh
  # set org.apache.httpcomponents:httpclient to 4.5.13 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.httpcomponents:httpclient (Maven) ECOSYSTEM:introduced=0,fixed=4.5.13

## Identifiers

- CVE-2020-13956
- GHSA-7r82-7xv7-xcpj

## Related threats

- [Exposure of Sensitive Information to an Unauthorized Actor in Apache HttpClient](https://junglewise.ai/threats/cve-2011-1498-exposure-of-sensitive-information-to-an-unauthorized-actor-in)
- [Hostname verification in Apache HttpClient 4.3 was disabled by default](https://junglewise.ai/threats/cve-2013-4366-hostname-verification-in-apache-httpclient-4-3-was-disabled-by)
- [Denial of service vulnerability in org.apache.httpcomponents:httpclient](https://junglewise.ai/threats/cve-2015-5262-denial-of-service-vulnerability-in-org-apache-httpcomponents)
- [Improper certificate validation in org.apache.httpcomponents:httpclient](https://junglewise.ai/threats/cve-2012-6153-improper-certificate-validation-in-org-apache-httpcomponents)
- [Improper Verification of Cryptographic Signature in org.apache.httpcomponents:httpclient](https://junglewise.ai/threats/cve-2014-3577-improper-verification-of-cryptographic-signature-in-org-apache)