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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Splash Header | 1.20.8 to before 1.20.8 | 1.20.8 | Patch available | CNA |
- Splash Header VendorUnknown Affected 1.20.8 to before 1.20.8 Fixed in 1.20.8 Patch available CNA
Remediation
- Fix · CNA Splash Header (Unknown) Fixed in 1.20.8
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24587
- 2026-10-03 Alias added: GHSA-vm9v-hfwf-qw4q
References
Sources
- CVE-2021-24587 · CVE Program
- CVE-2021-24587 · NVD
- FIRST EPSS
- GHSA-vm9v-hfwf-qw4q · GitHub Advisory Database · CC BY 4.0
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