CVE-2023-27451 HIGH

CVE-2023-27451: WordPress Instant Images Plugin <= 5.1.0.2 is vulnerable to Server Side Request Forgery (SSRF)

Vendor Darren Cooney

Product Instant Images

Weakness CWE-918 · SSRF

Published November 22, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.2/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Server-Side Request Forgery (SSRF) vulnerability in Darren Cooney Instant Images plugin <= 5.1.0.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Instant Images versions up to 5.1.0.2 contain a server-side request forgery vulnerability that allows high-privilege users to make the site send requests to internal or external systems on their behalf. An attacker with administrative access can exploit this to access restricted resources, retrieve sensitive data, or interact with internal services. The vulnerability requires high-level privileges and does not require user interaction.

What an attacker can do

03Attacker Capabilities

Make the site send HTTP requests to internal or external systems to access restricted resources or retrieve sensitive data.

Potential impact on your site

04Site Impact

An admin account compromise could allow attackers to probe internal networks, access cloud metadata, or exfiltrate data via the site.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrative privileges on the site.

Key dates

06Disclosure timeline

November 22, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-27451 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/918.html AskarLabs — CWE-918 write-up Server-Side Request Forgery

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