High severity · published Aug 20, 2026
CVE-2026-66616
WordPress Form Maker by 10Web plugin <= 1.15.49 - Cross Site Scripting (XSS) vulnerability
7.1
CVSS
0.3%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 10Web Form Maker by 10Web form-maker allows Stored XSS.This issue affects Form Maker by 10Web: from n/a through 1.15.49.
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)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FM
Form Maker by 10Web · 10Web
through 1.15.49 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66616
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66616
vdb-entry
https://patchstack.com/database/wordpress/plugin/form-maker/vulnerability/wordpress-form-maker-by-10web-plugin-1-15-46-cross-site-scripting-xss-vulnerability?_s_id=cve
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