What is the CVSS score of CVE-2023-27089?

CVE-2023-27089 has a CVSS 3.1 base score of 8.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2023-27089?

Yes, a public proof-of-concept exploit is available for CVE-2023-27089. Prioritise patching immediately. EPSS: 0.4%.

Ehuacui Bbs CVE-2023-27089

HIGH

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

2023-04-04 cve@mitre.org

Denial Of Service XSS Ehuacui Bbs

8.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.2 HIGH

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

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:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

High

Lifecycle Timeline

CVE Published

Apr 04, 2023 - 18:15 nvd

HIGH 8.2

DescriptionNVD

Cross Site Scripting vulnerability found in Ehuacui BBS allows attackers to cause a denial of service via a crafted payload in the login parameter.

AnalysisAI

Cross Site Scripting vulnerability found in Ehuacui BBS allows attackers to cause a denial of service via a crafted payload in the login parameter. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, 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. Cross Site Scripting vulnerability found in Ehuacui BBS allows attackers to cause a denial of service via a crafted payload in the login parameter. Affected products include: Ehuacui-Bbs Project Ehuacui-Bbs.

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.