Sensitive data exposure in WordPress Contact Form by Supsystic plugin
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-201.
Summary
Contact Form by Supsystic, a WordPress plugin, is affected in versions through 1.10.5. The plugin inserts sensitive information into data it sends (CWE-201). An unauthenticated remote attacker can retrieve the embedded sensitive data without user interaction.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Insertion of Sensitive Information Into Sent Data vulnerability in Supsystic Contact Form by Supsystic contact-form-by-supsystic allows Retrieve Embedded Sensitive Data.This issue affects Contact Form by Supsystic: from n/a through 1.10.5.
Why it matters now
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
Remediation
The sources list no fixed version for Contact Form by Supsystic.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-28 Threatist record created from CVE-2026-115591
- 2026-10-28 Alias added: GHSA-92cm-w7hh-v85q
- 2026-10-29 CISA SSVC decision points changed
- 2026-10-29 Priority changed: MEDIUM → LOW
More Supsystic vulnerabilities
- TI-2023-02984 Supsystic Popup < 1.10.19 - Prototype Pollution CVSS 3.1CRITICAL 9.8
- TI-2023-28011 WordPress Popup by Supsystic plugin <= 1.10.19 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-03704 Contact Form by Supsystic <= 1.7.36 - Unauthenticated Server-Side Template Injection via Prefill Functionality CVSS 3.1CRITICAL 9.8
- TI-2020-19380 WordPress Plugin Supsystic Digital Publications 1.6.9 Path Traversal XSS CVSS 4.0HIGH 8.7
- TI-2020-19379 WordPress Plugin Supsystic Membership 1.4.7 SQL Injection via sidx CVSS 4.0HIGH 8.8
- TI-2020-19378 WordPress Plugin Supsystic Pricing Table 1.8.7 SQL Injection XSS CVSS 4.0HIGH 8.8
Sources
- CVE-2026-115591 · CVE Program
- CVE-2026-115591 · NVD
- FIRST EPSS
- GHSA-92cm-w7hh-v85q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences