CVE-2020-11026

Specially crafted filenames in WordPress leading to XSS

State: Published
Severity: 8.7 High
Published: Apr 30, 2020
Updated: Aug 4, 2024
Reserved: Mar 30, 2020

Description

In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. 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).

Scores

CVSS	Score	Vector	Source
3.1	8.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N	GitHub_M

Weaknesses

CWE-707 Improper Neutralization

Affected Products

Product	Versions
WordPressWordPress	>= 5.4.0, < 5.4.1Affected >= 5.3.0, < 5.3.3Affected >= 5.2.0, < 5.2.6Affected >= 5.1.0, < 5.1.5Affected >= 5.0.0, < 5.0.9Affected >= 4.9.0, < 4.9.14Affected >= 4.8.0, < 4.8.13Affected >= 4.7.0, < 4.7.17Affected >= 4.6.0, < 4.6.18Affected >= 4.5.0, < 4.5.21Affected >= 4.4.0, < 4.4.22Affected >= 4.3.0, < 4.3.23Affected >= 4.2.0, < 4.2.27Affected >= 4.1.0, < 4.1.30Affected >= 4.0.0, < 4.0.30Affected >= 3.9.0, < 3.9.31Affected >= 3.8.0, < 3.8.33Affected >= 3.7.0, < 3.7.33Affected

Product

Versions

WordPressWordPress

>= 5.4.0, < 5.4.1Affected
>= 5.3.0, < 5.3.3Affected
>= 5.2.0, < 5.2.6Affected
>= 5.1.0, < 5.1.5Affected
>= 5.0.0, < 5.0.9Affected
>= 4.9.0, < 4.9.14Affected
>= 4.8.0, < 4.8.13Affected
>= 4.7.0, < 4.7.17Affected
>= 4.6.0, < 4.6.18Affected
>= 4.5.0, < 4.5.21Affected
>= 4.4.0, < 4.4.22Affected
>= 4.3.0, < 4.3.23Affected
>= 4.2.0, < 4.2.27Affected
>= 4.1.0, < 4.1.30Affected
>= 4.0.0, < 4.0.30Affected
>= 3.9.0, < 3.9.31Affected
>= 3.8.0, < 3.8.33Affected
>= 3.7.0, < 3.7.33Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.