CVE-2024-3823: Base64 Encoder/Decoder <= 0.9.2 - Stored XSS via CSRF

Description

The Base64 Encoder/Decoder WordPress plugin through 0.9.2 does not have CSRF check when updating its settings, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack

Classification

CVE ID: CVE-2024-3823

Problem Types

CWE-79 Cross-Site Scripting (XSS) CWE-352 Cross-Site Request Forgery (CSRF)

Affected Products

Vendor: Unknown

Product: Base64 Encoder/Decoder

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 5.86% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-3823
https://wpscan.com/vulnerability/a138215c-4b8c-4182-978f-d21ce25070d3/

Timeline