What is the CVSS score of CVE-2023-26788?

CVE-2023-26788 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2023-26788?

Yes, a public proof-of-concept exploit is available for CVE-2023-26788. Prioritise patching immediately. EPSS: 0.4%.

Netbackup Appliance Firmware CVE-2023-26788

MEDIUM

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

2023-04-10 cve@mitre.org

XSS Netbackup Appliance Firmware

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

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:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Apr 10, 2023 - 13:15 nvd

MEDIUM 6.1

DescriptionNVD

Veritas Appliance v4.1.0.1 is affected by Host Header Injection attacks. HTTP host header can be manipulated and cause the application to behave in unexpected ways. Any changes made to the header would just cause the request to be sent to a completely different Domain/IP address.

AnalysisAI

Veritas Appliance v4.1.0.1 is affected by Host Header Injection attacks. Rated medium severity (CVSS 6.1), 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. Veritas Appliance v4.1.0.1 is affected by Host Header Injection attacks. HTTP host header can be manipulated and cause the application to behave in unexpected ways. Any changes made to the header would just cause the request to be sent to a completely different Domain/IP address. Affected products include: Veritas Netbackup Appliance Firmware.

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.