What is CVE-2023-3042?

CVE-2023-3042 is a medium-severity vulnerability in Dotcms Core, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2023-10-17.

How severe is CVE-2023-3042?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2023-3042 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Dotcms Core

CVE-2023-3042

In dotCMS, versions mentioned, a flaw in the NormalizationFilter does not strip double slashes (//) from URLs, potentially enabling bypasses for XSS and access controls. An example affected URL is https://demo.dotcms.com//html/portlet/ext…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (38.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Dotcms Core — versions 5.3.8, 21.06, 22.03

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.dotcms.com/security/SI-68

Frequently asked questions

What is CVE-2023-3042?: CVE-2023-3042 is a medium-severity vulnerability in Dotcms Core, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2023-10-17.
How severe is CVE-2023-3042?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-3042 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.