CVE-2023-34831: The "Submission Web Form" of Turnitin LTI tool/plugin version 1.3 is affected by HTML Injection attacks

Routine

MEDIUM 5.4DOWNGRADE

CVE-2023-34831 is a medium-severity flaw (CVSS 5.4) affecting ithacalabs turnitin lti. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: odysseycs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-29 03:15 UTCPublished CVE record published
2026-06-17 06:04 UTCUpdated Record last modified

odysseycs ithacalabs turnitin lti DOWNGRADE

Affected: 1.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

1. Check installed version

apt-cache policy ithacalabs-turnitin-lti || rpm -q ithacalabs-turnitin-lti || ithacalabs-turnitin-lti --version

2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)

apt-cache madison ithacalabs-turnitin-lti sudo apt install ithacalabs-turnitin-lti=<VERSION_BEFORE_1.3> sudo apt-mark hold ithacalabs-turnitin-lti

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ithacalabs-turnitin-lti sudo dnf downgrade ithacalabs-turnitin-lti-<VERSION_BEFORE_1.3> sudo dnf versionlock add ithacalabs-turnitin-lti

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-34831?

ithacalabs turnitin lti: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-34831 being exploited?

CVE-2023-34831 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-34831 affect?

CVE-2023-34831 affects ithacalabs turnitin lti. Severity is medium (CVSS 5.4). 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

How urgent is CVE-2023-34831?

Priority 34/100. Public exploit reference

References

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