CVE-2026-57783 MEDIUM

CVE-2026-57783: WordPress Speaker plugin <= 4.1.13 - Cross Site Scripting (XSS) vulnerability

Vendor Merkulove

Product Speaker

Weakness CWE-79 · XSS

Published July 13, 2026

Last update July 13, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in merkulove Speaker speaker allows Stored XSS.This issue affects Speaker: from n/a through <= 4.1.13.

Explanation of Vulnerability in Simple Terms

02Summary

Speaker versions up to 4.1.13 contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts. The vulnerability requires user interaction and affects the integrity and confidentiality of site data. Site administrators should update to a version newer than 4.1.13 to remediate this issue.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they interact with the site.

Potential impact on your site

04Site Impact

Authenticated attackers can steal session tokens, deface content, or redirect users to phishing sites.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and trick a user into clicking a malicious link or visiting a crafted page.

Key dates

06Disclosure timeline

July 13, 2026 CVE published

July 13, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-57783 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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