CVE-2023-49841: WordPress Optin Forms Plugin <= 1.3.3 is vulnerable to Cross Site Scripting (XSS)

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-14 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FancyThemes Optin Forms – Simple List Building Plugin for WordPress allows Stored XSS.This issue affects Optin Forms – Simple List Building Plugin for WordPress: from n/a through 1.3.3.

Affected products

FancyThemes Optin Forms – Simple List Building Plugin for WordPress: through 1.3.3

References

https://patchstack.com/database/vulnerability/optin-forms/wordpress-optin-forms-plugin-1-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/optin-forms/wordpress-optin-forms-plugin-1-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve

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