Detections
Analytics

WordPress 5.8.x < 5.8.14 Multiple Vulnerabilities

high Web App Scanning Plugin ID 115370

Synopsis

WordPress 5.8.x < 5.8.14 Multiple Vulnerabilities

Description

According to its self-reported version number, the version of WordPress installed on the remote host is affected by multiple vulnerabilities:

 - A Contributor+ stored cross-site scripting (XSS) issue in the Post Date block.

 - A Contributor+ stored cross-site scripting (XSS) issue in the Post Content block.

 - An information disclosure issue in the Latest Comments block exposing comments on password-protected posts.

 - A bypass of the email address confirmation flow.

 - An Author+ CSS injection issue via a bypass of the safe CSS attribute filter.

 - A Contributor+ stored cross-site scripting (XSS) issue in posts via the emoji settings element.

 - A privilege escalation issue on multisite networks with user registration enabled, allowing a user to create a new site.

 - A server-side request forgery (SSRF) issue in URL validation allowing requests to link-local ranges.

 - A pre-auth reflected cross-site scripting (XSS) issue on the login screen with potential to lead to PHP code execution. (CVE-2026-64638)

 - A disclosure of notes in comment feeds.

 - An enumeration of post slugs.

 - A Contributor+ stored cross-site scripting (XSS) issue in Quick Edit on sites with a large number of users.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to WordPress version 5.8.14 or later.

See Also

https://wordpress.org/documentation/wordpress-version/version-5.8.14/

https://wordpress.org/news/2026/08/wordpress-7-0-3-release/

Plugin Details

Severity: High

ID: 115370

Type: Version Based

Published: 8/11/2026

Updated: 8/11/2026

Scan Template: api, basic, full, pci, scan

Risk Information

VPR

Risk Factor: Medium

Score: 5.3

Percentile: 96.23

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2026-64638

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS Score Source: CVE-2026-64638

CVSS v4

Risk Factor: High

Base Score: 8.9

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2026-64638

Vulnerability Information

CPE: cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/6/2026

Vulnerability Publication Date: 8/5/2026

Reference Information

CVE: CVE-2026-64638