CVE-2023-5223

Name: CVE-2023-5223
Creator: NVD / NIST
Published: 2023-09-27T15:19:43.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2023-5223 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. A vulnerability, which was classified as critical, has been found in HimitZH HOJ up to 4.6-9a65e3f. This issue affects some unknown processing of the component Topic Handler. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, has been found in HimitZH HOJ up to 4.6-9a65e3f. This issue affects some unknown processing of the component Topic Handler. The manipulation leads to sandbox issue. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-240365 was assigned to this vulnerability.

Metrics

CVSS 3.1

9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.89%

54.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-265

Affected Software

Vendor	Product	Versions
Hdoi	Hcode Online Judge	4.6-9a65e3f

References

https://github.com/payI0ad/cves/issues/1Exploit, Issue Tracking, Third Party Advisory
https://vuldb.com/?ctiid.240365Permissions Required, Third Party Advisory
https://vuldb.com/?id.240365Third Party Advisory
https://github.com/payI0ad/cves/issues/1Exploit, Issue Tracking, Third Party Advisory
https://vuldb.com/?ctiid.240365Permissions Required, Third Party Advisory
https://vuldb.com/?id.240365Third Party Advisory

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5223?

How severe is CVE-2023-5223?

CVE-2023-5223 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5223?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5223?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST