High severity · published May 27, 2026
CVE-2026-42728
WordPress HT Contact Form 7 plugin <= 2.8.2 - Cross Site Scripting (XSS) vulnerability
7.1
CVSS
0.2%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in HT Plugins HT Contact Form 7 ht-contactform allows Stored XSS.This issue affects HT Contact Form 7: from n/a through <= 2.8.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HC
HT Contact Form 7 · HT Plugins
through 2.8.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42728
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42728
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/ht-contactform/vulnerability/wordpress-ht-contact-form-7-plugin-2-8-2-cross-site-scripting-xss-vulnerability?_s_id=cve
More from HT Contact Form 7
6.6
CVE-2025-54015
WordPress HT Contact Form 7 plugin <= 2.0.0 - Local File Inclusion Vulnerability
6.5
CVE-2025-24726
WordPress Contact Form 7 Widget plugin <= 1.2.1 - Stored Cross Site Scripting (XSS) vulnerability