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

Quick assessment

Affected
merkulove Speaker
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

merkulove Speaker是merkulove个人开发者的一个CMS插件。 merkulove Speaker 4.1.13及之前版本存在跨站脚本漏洞，该漏洞源于对输入中和不当（跨站脚本），容易受到存储型跨站脚本攻击。

CVSS 6.5 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
merkulove Speaker ≤ 4.1.13 affected
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I. Basic Information for CVE-2026-57783

Vulnerability Information
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Vulnerability Title
WordPress Speaker plugin <= 4.1.13 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
merkulove Speaker 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
merkulove Speaker是merkulove个人开发者的一个CMS插件。 merkulove Speaker 4.1.13及之前版本存在跨站脚本漏洞，该漏洞源于对输入中和不当（跨站脚本），容易受到存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
merkulove Speaker 0 ~ 4.1.13 -

II. Public POCs for CVE-2026-57783

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III. Intelligence Information for CVE-2026-57783

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Other References for CVE-2026-57783 (1)

IV. Related Vulnerabilities

Same product: Speaker
Same vendor: merkulove
Same weakness: CWE-79

V. Comments for CVE-2026-57783

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