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Ubuntu Security Notice USN-7622-1
July 08, 2025

jquery vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in jQuery.

Software Description:
- jquery: JavaScript library for dynamic web applications

Details:

It was discovered that jQuery did not correctly handle HTML tags. An
attacker could possibly use this issue to execute a cross-site scripting
(XSS) attack. This issue only affected Ubuntu 14.04 LTS. (CVE-2012-6708)

It was discovered that jQuery did not correctly handle unsanitized source
objects due to prototype pollution. An attacker could possibly use this
issue to execute a cross-site scripting (XSS) attack. (CVE-2019-11358)

Masato Kinugawa discovered that jQuery did not correctly sanitize certain
HTML elements. An attacker could possibly use this issue to execute a
cross-site scripting (XSS) attack. This issue only affected
Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-11022)

Masato Kinugawa discovered that jQuery did not correctly sanitize certain
HTML elements. An attacker could possibly use this issue to execute a
cross-site scripting (XSS) attack. This issue only affected 
Ubuntu 18.04 LTS. (CVE-2020-11023)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS
  libjs-jquery                    3.2.1-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libjs-jquery                    1.11.3+dfsg-4ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libjs-jquery                    1.7.2+dfsg-2ubuntu1+esm1
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7622-1
  CVE-2012-6708, CVE-2019-11358, CVE-2020-11022, CVE-2020-11023