SB2026081317 - Fedora EPEL 10.2 update for wordpress



SB2026081317 - Fedora EPEL 10.2 update for wordpress

Published: August 13, 2026 Updated: August 14, 2026

Security Bulletin ID SB2026081317
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Arbitrary file upload (CVE-ID: CVE-2026-65640)

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to unrestricted upload of file with dangerous type in the file upload functionality when processing a malicious Postscript file upload. A remote user with Author or higher privileges can upload a specially crafted Postscript file to execute arbitrary code.

Exploitation requires Imagick and Ghostscript to be in use on the server.


2) Cross-site scripting (CVE-ID: CVE-2026-64638)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the login screen. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information and potentially compromise the affected website.


Remediation

Install update from vendor's website.