CVE-2020-11030: Cross-site scripting (XSS) in Search block in WordPress
First published: Thu Apr 30 2020(Updated: )
In affected versions of WordPress, a special payload can be crafted that can lead to scripts getting executed within the search block of the block editor. This requires an authenticated user with the ability to add content. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/wordpress | 5.0.15+dfsg1-0+deb10u1 5.0.19+dfsg1-0+deb10u1 5.7.8+dfsg1-0+deb11u2 6.1.1+dfsg1-1 6.3.1+dfsg1-1 | |
| WordPress WordPress | <5.4.1 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://core.trac.wordpress.org/changeset/47636
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-vccm-6gmc-qhjh
- https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates
- https://github.com/WordPress/wordpress-develop/commit/ec05c8b897ef4ae77fc0cba576573e90a726a52f
- https://security-tracker.debian.org/tracker/CVE-2020-11030
- https://www.debian.org/security/2020/dsa-4677
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-11030.
What is the severity of CVE-2020-11030?
The severity of CVE-2020-11030 is medium.
How can an attacker exploit CVE-2020-11030?
An attacker can exploit CVE-2020-11030 by crafting a special payload that can lead to the execution of scripts within the search block of the block editor in affected versions of WordPress.
Which versions of WordPress are affected by CVE-2020-11030?
Versions 5.0.15+dfsg1-0+deb10u1, 5.0.19+dfsg1-0+deb10u1, 5.7.8+dfsg1-0+deb11u2, 6.1.1+dfsg1-1, and 6.3.1+dfsg1-1 of WordPress are affected by CVE-2020-11030.
How can I patch CVE-2020-11030?
You can patch CVE-2020-11030 by updating WordPress to version 5.4.1 or later, which includes the necessary fixes to address this vulnerability.
- collector/security-tracker-debian
- agent/type
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/author
- agent/references
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/title
- agent/severity
- agent/tags
- agent/event
- agent/first-publish-date
- package-manager/debian
- vendor/wordpress
- canonical/wordpress wordpress
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0