Steam Group Viewer <= 2.1 - 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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The Steam Group Viewer WordPress plugin through 2.1 does not sanitise or escape its "Steam Group Address" settings before outputting it in the page, 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 No fix listed No fixed version in the sources yet
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 | Steam Group Viewer | 2.1 – 2.1 | — | No fix listed | CNA |
- Steam Group Viewer VendorUnknown Affected 2.1 – 2.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:steam_group_viewer_project:steam_group_viewer:*:*:*:*:*:wordpress:*:* | up to 2.1 | Vulnerable | Steam Group Viewer Project |
- cpe:2.3:a:steam_group_viewer_project:steam_group_viewer:*:*:*:*:*:wordpress:*:* Versions up to 2.1 Vulnerable ·Steam Group Viewer Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24476
- 2026-10-03 Alias added: GHSA-8j3v-gq95-c8m8
References
Sources
- CVE-2021-24476 · CVE Program
- CVE-2021-24476 · NVD
- FIRST EPSS
- GHSA-8j3v-gq95-c8m8 · GitHub Advisory Database · CC BY 4.0
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