CVE-2023-23980 MEDIUM

CVE-2023-23980: WordPress MailOptin Plugin <= 1.2.54.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Mailoptin Popup Builder Team

Product MailOptin

Weakness CWE-79 · XSS

Published April 6, 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 MailOptin Popup Builder Team MailOptin plugin <= 1.2.54.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

MailOptin versions up to 1.2.54.0 contain a cross-site scripting vulnerability in the popup builder. An authenticated user with high privileges can inject malicious scripts that execute in other users' browsers when they interact with the affected component. The vulnerability requires user interaction to trigger. Update to version 1.2.77.3 or later.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view or interact with popups.

Potential impact on your site

04Site Impact

An admin could inject scripts affecting other users' sessions, potentially stealing credentials or modifying site content they see.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and the victim must click a link or visit a page containing the malicious popup.

Key dates

06Disclosure timeline

April 6, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-23980 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities

Identifiers

CVE CVE-2023-23980

CWE CWE-79

CVSS 5.9 / MEDIUM

Affected versions