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TI-2026-13895 Aliases CVE-2026-16649GHSA-34rx-8vxh-qm4m

Gravity Forms <= 2.10.5 - Unauthenticated Stored Cross-Site Scripting via Post Body Field Value

Priority LOW 38CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Post Body Field Value in all versions up to, and including, 2.10.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit survives save-time sanitization because wp_kses_post allows the required HTML tags and attributes, and the client-side tooltip script re-parses the browser-decoded aria-label value as innerHTML while only stripping script elements, leaving onerror and other event-handler attributes fully intact and executable.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00318 24th 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
Yes
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
Gravity FormsGravity Formsup to 2.10.5—No fix listedCNA
  • Gravity Forms VendorGravity Forms Affected up to 2.10.5 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-2026-16649
  2. 2026-10-03 Alias added: GHSA-34rx-8vxh-qm4m

References

Other 2

  • TI-2026-58026 Gravity Forms <= 3.1.0.4 - Unauthenticated Arbitrary File Upload via Hidden File Upload Field CVSS 3.1CRITICAL 9.8
  • TI-2025-11329 Gravity Forms <= 2.9.20 - Unauthenticated Arbitrary File Upload via 'copy_post_image' CVSS 3.1CRITICAL 9.8
  • TI-2026-82952 PHP object injection in Gravity Forms via Post Custom Field CVSS 3.1CRITICAL 9.8
  • TI-2023-13292 WordPress Gravity Forms Plugin <= 2.7.3 is vulnerable to PHP Object Injection CVSS 3.1CRITICAL 9.8
  • TI-2026-11059 Gravity Forms <= 2.10.4 - Unauthenticated Arbitrary File Read via 'gform_uploaded_files' Parameter CVSS 3.1HIGH 7.5
  • TI-2026-15885 Gravity Forms <= 3.0.2 - Unauthenticated Arbitrary File Upload via State/Chunk Hash Confusion CVSS 3.1HIGH 8.1
See all 20 →

Sources

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