Authentication Bypass Affecting wordpress package, versions <4.7.18+dfsg-1+deb9u1


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-DEBIAN9-WORDPRESS-572272
  • published12 Jun 2020
  • disclosed12 Jun 2020

Introduced: 12 Jun 2020

CVE-2020-4050  (opens in a new tab)
CWE-288  (opens in a new tab)

How to fix?

Upgrade Debian:9 wordpress to version 4.7.18+dfsg-1+deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wordpress package and not the wordpress package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

In affected versions of WordPress, misuse of the set-screen-option filter's return value allows arbitrary user meta fields to be saved. It does require an admin to install a plugin that would misuse the filter. Once installed, it can be leveraged by low privileged users. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).

CVSS Scores

version 3.1