What is CVE-2023-23754?

CVE-2023-23754 is a medium-severity vulnerability in Joomla Joomla\!, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2023-05-30.

How severe is CVE-2023-23754?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-23754 known to be exploited?

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

XSS in Joomla Joomla\!

CVE-2023-23754

An issue was discovered in Joomla! 4.2.0 through 4.3.1. Lack of input validation caused an open redirect and XSS issue within the new mfa selection screen.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-05-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Joomla Joomla\!
Joomla! Project Cms — versions 4.2.0-4.3.1

Weakness classification (CWE)

Public proof-of-concept exploits

Srpopty/Corax

References

developer.joomla.org/security-centre/899-20230501-core-open-redirects-and-xss-w… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-23754?: CVE-2023-23754 is a medium-severity vulnerability in Joomla Joomla\!, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2023-05-30.
How severe is CVE-2023-23754?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-23754 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.