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TI-2026-12543 Aliases CVE-2026-14876GHSA-r2w8-9qw7-hrw6

Cross-site scripting in nextendweb Smart Slider 3

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
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 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Smart Slider 3 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'data-href' parameter in all versions up to, and including, 3.5.1.38 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00173 6th 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

VendorProductAffected versionsFixed inStatusSource
nextendwebSmart Slider 3up to 3.5.1.38—No fix listedCNA
  • Smart Slider 3 Vendornextendweb Affected up to 3.5.1.38 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-14876
  2. 2026-10-03 Alias added: GHSA-r2w8-9qw7-hrw6

References

Other 2

  • TI-2022-03102 Smart Slider 3 < 3.5.1.11 - PHP Object Injection CVSS 3.1HIGH 8.8
  • TI-2023-00625 Smart Slider 3 < 3.5.1.14 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2025-00900 Nextend Social Login Pro <= 3.1.16 - Authentication Bypass via Apple OAuth provider CVSS 3.1CRITICAL 9.8
  • TI-2024-09179 Nextend Social Login Pro <= 3.1.14 - Authentication Bypass via WordPress.com OAuth provider CVSS 3.1CRITICAL 9.8
  • TI-2026-26699 Smart Slider 3 Pro 3.5.1.35 Supply Chain Attack Remote Access Toolkit CVSS 4.0CRITICAL 9.3
  • TI-2022-22647 WordPress Smart Slider 3 Plugin <= 3.5.1.9 is vulnerable to PHP Object Injection CVSS 3.1HIGH 8.8
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences