Ultra Addons for Contact Form 7 <= 3.5.54 - Unauthenticated Arbitrary File Read via CF7 Field Value in mPDF WriteHTML SVG Parser
CVSS score
7.5
EPSS probability
%0.8
Risk score
0.1
Published
17 h ago
Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.
Impact on My Inventory
Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
2
Source agreement
Tam uyum
Evidence confidence
%63
Short explanation
The Ultra Addons for Contact Form 7 plugin for WordPress in versions up to and including 3.5.54 is vulnerable to Directory Traversal via the uacf7_wpcf7_mail_components function. This flaw allows unauthenticated attackers to read the contents of arbitrary files on the server.
It enables unauthenticated attackers to access sensitive files on the server through the mPDF WriteHTML SVG parser, leading to potential confidentiality breaches.
What should be done?
- Follow vendor advisories and updates
- Review the configurations of the PDF Generator addon
Chain of evidence and sources
Ultra Addons for Contact Form 7 eklentisinin 3.5.54 ve önceki sürümleri uacf7_wpcf7_mail_components fonksiyonu üzerinden dizin gezinmesine karşı savunmasızdır.
Saldırının gerçekleştirilmesi için PDF Generator eklentisinin aktif olması ve hedef form için yönetici tarafından yapılandırılmış bir PDF gövde şablonunun etkinleştirilmesi gerekir.
Show the technical text from the sources
The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 3.5.54 via the uacf7_wpcf7_mail_components function. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires the PDF Generator addon to be active and an administrator-configured PDF body template to be enabled for the targeted contact form.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-22
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-100386 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | themefic | Ultra Addons for Contact Form 7 | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 7.5 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD |
| 7.5 | CVSS V3_1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-100386 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-100386 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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