CVE-2023-39988 MEDIUM

CVE-2023-39988: WordPress WxSync Plugin <= 2.7.23 is vulnerable to Cross Site Scripting (XSS)

Vendor 标准云(Std.cloud)

Product WxSync

Weakness CWE-79 · XSS

Published September 4, 2023

Last update April 28, 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

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in 标准云(std.Cloud) WxSync plugin <= 2.7.23 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WxSync versions up to 2.7.23 contain a cross-site scripting (XSS) vulnerability that allows an authenticated attacker to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and can affect other users or administrators viewing the same page. The impact includes unauthorized data access, modification, and potential service disruption.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they view affected pages.

Potential impact on your site

04Site Impact

Authenticated users can be tricked into executing scripts that steal data, modify content, or compromise admin accounts.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and the victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

September 4, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-39988 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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