CVE-2024-9663: CYAN Backup < 2.5.3 - Admin+ Stored XSS via Remote Storage Settings

Description

The CYAN Backup WordPress plugin before 2.5.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Classification

CVE ID: CVE-2024-9663

Problem Types

CWE-79 Cross-Site Scripting (XSS)

Affected Products

Vendor: Unknown

Product: CYAN Backup

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 6.07% (scored less or equal to compared to others)

EPSS Date: 2025-06-04 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2024-9663
https://wpscan.com/vulnerability/0dbd0927-f245-4202-b96b-e55f36a8bb30/

Timeline