CVE-2023-26537 MEDIUM

CVE-2023-26537: WordPress WP No External Links Plugin <= 1.0.2 is vulnerable to Cross Site Scripting (XSS)

Vendor Nicolly

Product WP No External Links

Weakness CWE-79 · XSS

Published June 16, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.9/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in nicolly WP No External Links plugin <= 1.0.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP No External Links versions up to 1.0.2 contain a stored cross-site scripting (XSS) vulnerability. An authenticated administrator can inject malicious JavaScript that executes in the browsers of other site users. The vulnerability requires an admin to visit a crafted page, but the injected code persists and affects all visitors. This allows theft of session tokens, defacement, or malware distribution.

What an attacker can do

03Attacker Capabilities

Inject persistent JavaScript that runs in visitors' browsers and steals session data or modifies site content.

Potential impact on your site

04Site Impact

Compromised admin accounts can inject malware affecting all site visitors; session hijacking and data theft possible.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and trick an admin into visiting a malicious page.

Key dates

06Disclosure timeline

June 16, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-26537 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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