What is CVE-2022-23047?

CVE-2022-23047 is a medium-severity vulnerability in Exponentcms Exponent Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-02-09.

How severe is CVE-2022-23047?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Exponentcms Exponent Cms

CVE-2022-23047

Exponent CMS 2.6.0patch2 allows an authenticated admin user to inject persistent JavaScript code inside the "Site/Organization Name","Site Title" and "Site Header" parameters while updating the site settings on "/exponentcms/administration/configure_site"

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.029 (86.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Exponentcms Exponent Cms — versions 2.6.0
Exponent Cms — versions v2.6.0patch2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

fluidattacks.com/advisories/franklin/ (Exploit, Third Party Advisory, Issue Tracking)
exponentcms.lighthouseapp.com/projects/61783/tickets/1459 (Exploit, Issue Tracking, Vendor Advisory)
github.com/exponentcms/exponent-cms/issues/1546 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-23047?: CVE-2022-23047 is a medium-severity vulnerability in Exponentcms Exponent Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-02-09.
How severe is CVE-2022-23047?: Medium severity. CVSS v3 base score is 4.8 out of 10.