CVE-2020-26934

Publication date 10 October 2020

Last updated 26 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

phpMyAdmin before 4.9.6 and 5.x before 5.0.3 allows XSS through the transformation feature via a crafted link.

From the Ubuntu Security Team

It was discovered that phpMyAdmin was vulnerable to an XSS attack. If a victim were to click on a crafted link, an attacker could run malicious JavaScript on the victim's system.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
phpmyadmin	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Fixed 4:4.9.5+dfsg1-2ubuntu0.1~esm1
	18.04 LTS bionic	Fixed 4:4.6.6-5ubuntu0.5
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Vulnerable

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Notes

mdeslaur

vulerability was introduced in 2.5.0. File where issue is is different in bionic and earlier.

litios

intrusive patch for xenial and earlier as the signing funcionality is not present.

Severity score breakdown

Parameter	Value
Base score	6.1 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N