PatchTheCVECVE-2026-90437: The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Post Excerpt / Post Cu
CVE-2026-90437 is a high-severity flaw (CVSS 7.2) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Post Excerpt / Post Custom Field / Rich-Text Paragraph Field Values in all versions up to, and including, 3.1.1 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. This is possible because Post Excer
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-10-30 |
| Last modified | 2026-10-30 |
Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- Vulners Bulletins: CVE-2026-90437 2026-10-30
- Vulners Bulletins: CVE-2026-90437 Gravity Forms <= 3.1.1 - Unauthenticated Stored Cross-Site Scripting via Post Excerpt / Post Custom Field / Rich-Text Paragra 2026-10-30
- Vulners Bulletins: CVE-2026-90437 2026-10-30
- VulDB Recent Entries: CVE-2026-90437 | Gravity Forms Plugin up to 3.1.1 on WordPress Rich-Text Paragraph Fields allow_html data-dialog-confirm cross site scriptin 2026-10-30
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-90437?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-90437 being exploited?
CVE-2026-90437 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-90437 affect?
CVE-2026-90437 affects affected software. Severity is high (CVSS 7.2). The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Post Excerpt / Post Custom Field / Rich-Text Paragraph Field Values in all versions up to, and including, 3.1.1 due to insufficient input sanitization a
How urgent is CVE-2026-90437?
Priority 30/100. High severity; Remotely exploitable, no login, no user action