NextScripts: Social Networks Auto-Poster < 4.4.8 - Reflected XSS via Facebook OAuth Callback
Priority LOW 31CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The NextScripts: Social Networks Auto-Poster WordPress plugin before 4.4.8 does not escape some of the query-string parameters it reflects back on one of its admin pages, allowing attackers to perform Reflected Cross-Site Scripting attacks against logged-in users such as administrators who are tricked into opening a crafted link.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed NextScripts: Social Networks Auto-Poster (Unknown): 4.4.8
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 |
|---|---|---|---|---|---|
| Unknown | NextScripts: Social Networks Auto-Poster | before 4.4.8 | 4.4.8 | Patch available | CNA |
- NextScripts: Social Networks Auto-Poster VendorUnknown Affected before 4.4.8 Fixed in 4.4.8 Patch available CNA
Remediation
- Fix · CNA NextScripts: Social Networks Auto-Poster (Unknown) Fixed in 4.4.8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16570
- 2026-10-03 Alias added: GHSA-qvfr-x6x6-r99q
References
Sources
- CVE-2026-16570 · CVE Program
- CVE-2026-16570 · NVD
- FIRST EPSS
- GHSA-qvfr-x6x6-r99q · GitHub Advisory Database · CC BY 4.0
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