What is the CVSS score of CVE-2026-22440?

CVE-2026-22440 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-22440?

Within 24 hours: Inventory all systems running Thecs and identify internet-facing instances. Within 7 days: Implement input validation rules and deploy WAF rules blocking XSS payloads; consider disabling affected Thecs features if possible. Within 30 days: Contact vendor for patch timeline; evaluate upgrading to patched version when available or migrate to alternative solutions if patch is not forthcoming.

CVE-2026-22440

HIGH

Cross-site Scripting (XSS) (CWE-79)

2026-03-05 audit@patchstack.com

XSS

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Re-analysis Queued

Apr 22, 2026 - 21:37 vuln.today

cvss_changed

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 05, 2026 - 06:16 nvd

HIGH 7.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in foreverpinetree Thecs thecs allows Reflected XSS.This issue affects Thecs: from n/a through <= 1.4.7.

AnalysisAI

Reflected cross-site scripting in Thecs through version 1.4.7 enables attackers to inject malicious scripts that execute in users' browsers when they click specially crafted links, potentially compromising session data and user credentials. The vulnerability requires user interaction and affects all versions up to 1.4.7, with no patch currently available. An attacker can exploit this to steal sensitive information or perform actions on behalf of affected users.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects foreverpinetree Thecs thecs. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in foreverpinetree Thecs thecs allows Reflected XSS.This issue affects Thecs: from n/a through <= 1.4.7.

Affected ProductsAI

Product: foreverpinetree Thecs thecs.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.