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TI-2021-06871 Aliases CVE-2021-24587GHSA-vm9v-hfwf-qw4q

Splash Header < 1.20.8 - Authenticated Stored Cross-Site Scripting (XSS)

Priority LOW 25CWE-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 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.

Why it matters now

EPSS 0.0062 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Splash Header (Unknown): 1.20.8

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownSplash Header1.20.8 to before 1.20.81.20.8Patch availableCNA
  • Splash Header VendorUnknown Affected 1.20.8 to before 1.20.8 Fixed in 1.20.8 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zeesweb:splash_header:*:*:*:*:*:wordpress:*:*before 1.20.8VulnerableZeesweb
  • cpe:2.3:a:zeesweb:splash_header:*:*:*:*:*:wordpress:*:* Versions before 1.20.8 Vulnerable ·Zeesweb

Remediation

  • Fix · CNA Splash Header (Unknown) Fixed in 1.20.8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24587
  2. 2026-10-03 Alias added: GHSA-vm9v-hfwf-qw4q

References

Sources