CVE-2023-47813 MEDIUM

CVE-2023-47813: WordPress Better RSS Widget Plugin <= 2.8.1 is vulnerable to Cross Site Scripting (XSS)

Vendor Grandslambert

Product Better RSS Widget

Weakness CWE-79 · XSS

Published November 22, 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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in grandslambert Better RSS Widget plugin <= 2.8.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Better RSS Widget versions up to 2.8.1 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts into RSS feed content. When other users view the widget, the scripts execute in their browsers, potentially allowing the attacker to steal session tokens or perform actions on their behalf. The vulnerability requires user interaction to trigger.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute when other users view the RSS widget.

Potential impact on your site

04Site Impact

Authenticated users can inject XSS payloads affecting other site visitors; session hijacking or unauthorized actions possible.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege user account and must convince a victim to view the affected widget.

Key dates

06Disclosure timeline

November 22, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-47813 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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