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CVE-2026-18855

Publié : 15 août 2026
Modifié : 15 août 2026
Lien officiel NVD
Score CVSS
9.1
CRITICAL

Description détaillée

The Link Library plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the ll_delete_link_fields function in all versions up to, and including, 7.9.4 This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). Exploitation requires the administrator to have enabled the 'Delete local file on link deletion' plugin option (disabled by default) and to subsequently permanently delete the attacker-submitted link, which is a routine moderation action.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Références et Patchs

https://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/link-library-admin.php#L7865https://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/link-library-admin.php#L7874https://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/link-library.php#L2288https://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/usersubmission.php#L476https://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/usersubmission.php#L52https://plugins.trac.wordpress.org/changeset/3646360/link-library/trunk/link-library-admin.phphttps://plugins.trac.wordpress.org/changeset?old_path=%2Flink-library/tags/7.9.4&new_path=%2Flink-library/tags/7.9.5https://plugins.trac.wordpress.org/changeset?reponame=&new=3646361%40link-library%2Ftags%2F7.9.5&old=3626573%40link-library%2Ftags%2F7.9.4https://www.wordfence.com/threat-intel/vulnerabilities/id/41327dfa-db64-476a-a263-7bd4f69fb857?source=cve

Dernières Vulnérabilités

CVE-2026-19906

A weakness has been identified in pkp pkp-lib 3.3.0/3.4.0/3.5.0. This vulnerability affects the function setData of the file classes/user/form/APIProfileForm.php of the component API Key Generation. Executing a manipulation of the argument apiKey can lead to insufficient entropy. The attack may be performed from remote. This attack is characterized by high complexity. It is stated that the exploitability is difficult. This patch is called 529b5df878e571ccc727647f7748eafc1466b041. It is best practice to apply a patch to resolve this issue.

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CVE-2026-19905

A weakness has been identified in Jinher OA 1.0. Impacted is an unknown function of the file /C6/JHSoft.Web.HrmAttendance/attendance_out_approve.aspx. This manipulation of the argument httpOID causes sql injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

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CVE-2026-19904

A vulnerability was found in SourceCodester Online Book Store System 1.0. This vulnerability affects unknown code of the file /admin/index.php?page=site_settings of the component System Settings Module. The manipulation results in cross site scripting. The attack can be executed remotely. The exploit has been made public and could be used.

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