CVE-2026-22438
Published: 05 March 2026
Summary
CVE-2026-22438 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 11.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS enables drive-by compromise by allowing arbitrary script execution via crafted malicious links that victims are tricked into visiting.
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in foreverpinetree TheBi thebi allows Reflected XSS.This issue affects TheBi: from n/a through <= 1.0.5.
Deeper analysisAI
CVE-2026-22438 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the WordPress theme TheBi developed by foreverpinetree. The issue affects TheBi versions from n/a through 1.0.5 and was published on 2026-03-05.
The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating network accessibility, low attack complexity, no required privileges, user interaction needed, and changed scope with low impacts to confidentiality, integrity, and availability. Remote attackers can exploit it by tricking authenticated or unauthenticated users into interacting with maliciously crafted links or inputs reflected in web pages, potentially executing arbitrary scripts in the victim's browser context.
Patchstack's advisory at https://patchstack.com/database/Wordpress/Theme/thebi/vulnerability/wordpress-thebi-theme-1-0-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve documents the reflected XSS in TheBi theme version 1.0.5, recommending mitigation through theme updates where available.
Details
- CWE(s)