WordPress Showpass WordPress Extension Plugin <= 4.0.3 - Cross Site Scripting (XSS) Vulnerability
Priority LOW 28CWE-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 · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in marcshowpass Showpass WordPress Extension showpass allows Stored XSS.This issue affects Showpass WordPress Extension: from n/a through <= 4.0.3.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00209 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| marcshowpass | Showpass WordPress Extension | up to 4.0.3 | — | No fix listed | CNA |
- Showpass WordPress Extension Vendormarcshowpass Affected up to 4.0.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-58850
- 2026-10-03 Alias added: GHSA-8mv3-v7cf-xwvp
Sources
- CVE-2025-58850 · CVE Program
- CVE-2025-58850 · NVD
- FIRST EPSS
- GHSA-8mv3-v7cf-xwvp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences