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CVE-2023-34831

17
FAUCET Score

CVE-2023-34831 is an HTML Injection vulnerability affecting the Turnitin LTI tool/plugin version 1.3, specifically within the "Submission Web Form" used by students for plagiarism checks. This medium-severity vulnerability (CVSS 5.4) allows authenticated attackers to inject HTML via the "id" and "title" POST parameters, potentially leading to client-side information disclosure or defacement. While the vulnerability requires user interaction and low privileges, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
1.3CPE matchmatch criteria
cpe:2.3:a:odysseycs:ithacalabs_turnitin_lti:1.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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 Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 55th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

References

github.com / IthacaLabs/Turnitin/blob/main/Turnitin_LTI_1.3_HTMLi_CVE-2023-34831/Turnitin_LTI_1.3_HTMLi_CVE-2023-34831.txt
ExploitVendor Advisory
github.com / IthacaLabs/Turnitin/blob/main/Turnitin_Submission_Web_Form
Broken Link