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TI-2026-12665 Aliases CVE-2026-15047GHSA-7g36-jx9h-h5j4

s2Member < 260805 - Contributor+ Stored XSS via Shortcode

Priority LOW 32CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

The s2Member WordPress plugin before 260805 does not escape several shortcode attributes before outputting them inside an inline script context, allowing users with contributor-level access to inject arbitrary JavaScript that executes when a viewer opens the post (stored XSS).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00431 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed s2Member (Unknown): 260805

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Unknowns2Memberbefore 260805260805Patch availableCNA
  • s2Member VendorUnknown Affected before 260805 Fixed in 260805 Patch available CNA

Remediation

  • Fix · CNA s2Member (Unknown) Fixed in 260805

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15047
  2. 2026-10-03 Alias added: GHSA-7g36-jx9h-h5j4

References

Sources