CVE-2026-39563 MEDIUM

CVE-2026-39563: WordPress Share This Image plugin <= 2.12 - Broken Access Control vulnerability

Vendor Illid
Product Share This Image
Weakness CWE-862 · Missing authorization
Published April 8, 2026
Last update April 29, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in ILLID Share This Image share-this-image allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Share This Image: from n/a through <= 2.12.

Explanation of Vulnerability in Simple Terms

02Summary

Share This Image versions 2.12 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify content on the site. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 2.12 to remediate this issue.

What an attacker can do

03Attacker Capabilities

Modify content on the site without authentication.

Potential impact on your site

04Site Impact

Attackers can alter site content without logging in, potentially defacing pages or injecting malicious material.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE