CVE-2023-25479 MEDIUM

CVE-2023-25479: WordPress Podlove Subscribe button Plugin <= 1.3.7 is vulnerable to Cross Site Scripting (XSS)

Vendor Podlove

Product Podlove Subscribe button

Weakness CWE-79 · XSS

Published April 25, 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 Podlove Podlove Subscribe button plugin <= 1.3.7 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Podlove Subscribe button contains a cross-site scripting (XSS) vulnerability in versions up to 1.3.7. An authenticated user with high privileges can inject malicious scripts that execute in other users' browsers when they interact with the button. The vulnerability requires user interaction to trigger. Impact is limited to low-level data exposure and site defacement.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

An admin could inject scripts affecting other users' sessions, but only if they visit the affected page.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and the victim must visit a page containing the malicious button.

Key dates

06Disclosure timeline

April 25, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-25479 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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