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Debian dsa-6427 : wordpress - security update

high Nessus Plugin ID 334147

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6427 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6427-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso August 10, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : wordpress CVE ID : CVE-2026-64638 Debian Bug : 1143843

 Several vulnerabilities were discovered in wordpress, a web blogging tool, which could result in cross-site scripting, server-side request forgery, privilege escalation or remote code execution.

 For the stable distribution (trixie), these problems have been fixed in version 6.8.7+dfsg1-0+deb13u1.

 We recommend that you upgrade your wordpress packages.

 For the detailed security status of wordpress please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/wordpress

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the wordpress packages.

See Also

https://packages.debian.org/source/trixie/wordpress

https://security-tracker.debian.org/tracker/CVE-2026-64638

https://security-tracker.debian.org/tracker/source-package/wordpress

Plugin Details

Severity: High

ID: 334147

File Name: debian_DSA-6427.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/10/2026

Updated: 8/10/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.3

Percentile: 96.23

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

Temporal Score: 5.5

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.9

Threat Score: 7.4

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:wordpress-l10n, p-cpe:/a:debian:debian_linux:wordpress-theme-twentytwentyfive, p-cpe:/a:debian:debian_linux:wordpress-theme-twentytwentyfour, p-cpe:/a:debian:debian_linux:wordpress-theme-twentytwentythree, p-cpe:/a:debian:debian_linux:wordpress

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/10/2026

Vulnerability Publication Date: 8/7/2026

Reference Information

CVE: CVE-2026-64638