WordPress plugin
Contact Form by BestWebSoft – Advanced Contact Us Form Builder for WordPress <= 4.0.1 — Cross-Site Scripting
CVE-2016-10869Published · Updated Action summary
Affected: <4.0.2Update to 4.0.2 or newer
All remediation steps- Severity
- Medium6.1
- CVSS
- 6.1CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:RUser interaction- Required
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-79 Cross-Site Scripting
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Contact Form by BestWebSoft – Advanced WP Contact Form Builder for WordPress contact-form-plugin
- Affected< 4.0.2
- Patched in4.0.2
Update to 4.0.2 or newer.
You are affected if you run < 4.0.2. Version 4.0.2 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Contact Form by BestWebSoft – Advanced WP Contact Form Builder for WordPress.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 4.0.2, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Contact Form by BestWebSoft – Advanced WP Contact Form Builder for WordPress to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Unknown.
The contact-form-plugin plugin before 4.0.2 for WordPress has XSS.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Contact Form by BestWebSoft – Advanced WP Contact Form Builder for WordPress
All 10| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization ≤4.3.6Update to 4.3.7 | CVE-2025-63056 | |
| Medium6.1 | Reflected Cross-Site Scripting via cntctfrm_contact_subject ≤4.2.8Update to 4.2.9 | CVE-2024-2200 | |
| Medium6.1 | Reflected Cross-Site Scripting via cntctfrm_contact_address ≤4.2.8Update to 4.2.9 | CVE-2024-2198 | |
| Medium6.1 | ReflectedCross-Site Scripting <3.96Update to 3.96 | CVE-2015-9295 | |
| Medium6.1 | Reflected Cross-Site Scripting <4.0.6Update to 4.0.6 | CVE-2017-18491 |
- Medium4.3Missing Authorization
≤4.3.6Update to 4.3.7
- Medium6.1Reflected Cross-Site Scripting via cntctfrm_contact_subject
≤4.2.8Update to 4.2.9
- Medium6.1Reflected Cross-Site Scripting via cntctfrm_contact_address
≤4.2.8Update to 4.2.9
- Medium6.1ReflectedCross-Site Scripting
<3.96Update to 3.96
- Medium6.1Reflected Cross-Site Scripting
<4.0.6Update to 4.0.6
Same weakness (Cross-Site Scripting)
All Cross-Site Scripting| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 6.1
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.