CVE-2026-94504
Ninja Forms – The Contact Form Builder That Grows With You <= 3.15.3 - Stored Cross-Site Scripting
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
Ninja Forms 3.15.3 stores an anonymous non-RTE textarea value and renders it without safe HTML encoding in the legacy submission editor. An attacker can break out of the textarea with stored script. When an Administrator opens the attacker-known direct submission URL, the script runs in the WordPress admin origin.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- kstover Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder
through 3.15.3
References 6
plugins.trac.wordpress.org
- browser/ninja-forms/tags/3.15.3/includes/Fields/Textarea.php#L35
- browser/ninja-forms/trunk/includes/Fields/Textarea.php#L35
- browser/ninja-forms/tags/3.15.3/includes/Templates/admin-metabox-sub-fields.html.php#L23
- browser/ninja-forms/tags/3.15.3/includes/Database/Models/Submission.php#L205
- changeset?reponame=&new=3705719%40ninja-forms%2Ftags%2F3.15.4&old=3685242%40ninja-forms%2Ftags%2F3.15.3