XSS in Toolstack Cyan Backup
CVE-2024-9662
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).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Toolstack Cyan Backup
- Cyan Backup — versions 0
Weakness classification (CWE)
References
- wpscan.com/vulnerability/dfa6ff7d-c0dc-4118-afe0-587a24c76f12/ (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2024-9662?
- CVE-2024-9662 is a medium-severity vulnerability in Toolstack Cyan Backup, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-05-15.
- How severe is CVE-2024-9662?
- Medium severity. CVSS v3 base score is 5.4 out of 10.