What is the CVSS score of CVE-2023-34831?

CVE-2023-34831 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2023-34831?

Yes, a public proof-of-concept exploit is available for CVE-2023-34831. Prioritise patching immediately. EPSS: 0.4%.

Ithacalabs Turnitin Lti CVE-2023-34831

MEDIUM

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

2023-06-29 cve@mitre.org

XSS Ithacalabs Turnitin Lti

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jun 29, 2023 - 03:15 nvd

MEDIUM 5.4

DescriptionNVD

The "Submission Web Form" of Turnitin LTI tool/plugin version 1.3 is affected by HTML Injection attacks. The security issue affects the submission web form ("id" and "title" HTTP POST parameters) where the students submit their reports for similarity/plagiarism checks.

AnalysisAI

The "Submission Web Form" of Turnitin LTI tool/plugin version 1.3 is affected by HTML Injection attacks. Rated medium severity (CVSS 5.4), 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. The "Submission Web Form" of Turnitin LTI tool/plugin version 1.3 is affected by HTML Injection attacks. The security issue affects the submission web form ("id" and "title" HTTP POST parameters) where the students submit their reports for similarity/plagiarism checks. Affected products include: Odysseycs Ithacalabs Turnitin Lti. Version information: version 1.3.

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.