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TI-2024-08964 Aliases CVE-2024-9662GHSA-3h8r-96mm-7vvg

CYAN Backup < 2.5.3 - Admin+ Stored XSS via General Settings

Priority MEDIUM 58CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed CYAN Backup (Unknown): 2.5.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownCYAN Backupbefore 2.5.32.5.3Patch availableCNA
  • CYAN Backup VendorUnknown Affected before 2.5.3 Fixed in 2.5.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:toolstack:cyan_backup:*:*:*:*:*:wordpress:*:*before 2.5.3VulnerableToolstack
  • cpe:2.3:a:toolstack:cyan_backup:*:*:*:*:*:wordpress:*:* Versions before 2.5.3 Vulnerable ·Toolstack

Remediation

  • Fix · CNA CYAN Backup (Unknown) Fixed in 2.5.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    CYAN Backup 2.5.3

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2024-08965 CYAN Backup < 2.5.3 - Admin+ Stored XSS via Remote Storage SettingsPriority MEDIUM 58
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-9662
  2. 2026-10-03 Alias added: GHSA-3h8r-96mm-7vvg

References

Exploit 1

  • TI-2024-08965 CYAN Backup < 2.5.3 - Admin+ Stored XSS via Remote Storage Settings CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences