What is the CVSS score of CVE-2026-22353?

CVE-2026-22353 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-22353?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

CVE-2026-22353

MEDIUM

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

2026-01-22 audit@patchstack.com

XSS

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 22, 2026 - 17:16 nvd

MEDIUM 6.5

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in winkm89 teachPress teachpress allows Stored XSS.This issue affects teachPress: from n/a through <= 9.0.12.

AnalysisAI

Stored XSS in teachPress through version 9.0.12 enables authenticated attackers to inject malicious scripts that execute in other users' browsers, potentially compromising session data and performing unauthorized actions within the application. The vulnerability requires user interaction to trigger and can affect multiple users across the application scope. No security patch is currently available for affected installations.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects winkm89 teachPress teachpress. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in winkm89 teachPress teachpress allows Stored XSS.This issue affects teachPress: from n/a through <= 9.0.12.

Affected ProductsAI

Product: winkm89 teachPress teachpress.

RemediationAI

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