CVE-2023-40197 MEDIUM

CVE-2023-40197: WordPress flowpaper Plugin <= 1.9.9 is vulnerable to Cross Site Scripting (XSS)

Vendor Devaldi Ltd
Product flowpaper
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 Devaldi Ltd flowpaper plugin <= 1.9.9 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Flowpaper versions up to 1.9.9 contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level account access can craft a request that, when visited by another user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in other users' browsers to steal sessions or perform unauthorized actions.

Potential impact on your site

04Site Impact

Users' accounts and data are at risk if an authenticated attacker injects malicious scripts that execute in other users' sessions.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and the victim must visit a page containing the attacker's malicious payload.

Key dates

06Disclosure timeline

September 4, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

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