What is the CVSS score of CVE-2022-26842?

CVE-2022-26842 has a CVSS 3.1 base score of 9.6 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 2.9%.

Is there a public PoC exploit available for CVE-2022-26842?

Yes, a public proof-of-concept exploit is available for CVE-2022-26842. Prioritise patching immediately. EPSS: 2.9%.

Avideo CVE-2022-26842

CRITICAL

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

2022-08-22 talos-cna@cisco.com

XSS Avideo

9.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.6 CRITICAL

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

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:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 22, 2022 - 19:15 nvd

CRITICAL 9.6

DescriptionNVD

A reflected cross-site scripting (xss) vulnerability exists in the charts tab selection functionality of WWBN AVideo 11.6 and dev master commit 3f7c0364. A specially-crafted HTTP request can lead to arbitrary Javascript execution. An attacker can get an authenticated user to send a crafted HTTP request to trigger this vulnerability.

AnalysisAI

A reflected cross-site scripting (xss) vulnerability exists in the charts tab selection functionality of WWBN AVideo 11.6 and dev master commit 3f7c0364. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A reflected cross-site scripting (xss) vulnerability exists in the charts tab selection functionality of WWBN AVideo 11.6 and dev master commit 3f7c0364. A specially-crafted HTTP request can lead to arbitrary Javascript execution. An attacker can get an authenticated user to send a crafted HTTP request to trigger this vulnerability. Affected products include: Wwbn Avideo.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.