What is CVE-2024-32340?

CVE-2024-32340 is a critical-severity vulnerability in Wondercms, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2024-04-17.

How severe is CVE-2024-32340?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Is CVE-2024-32340 known to be exploited?

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

XSS in Wondercms

CVE-2024-32340

A cross-site scripting (XSS) vulnerability in the Settings section of WonderCMS v3.4.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the WEBSITE TITLE parameter under the Menu module.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-04-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Wondercms — versions 3.4.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

adiapera/xss_

References

github.com/adiapera/xss_menu_page_wondercms_3.4.3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-32340?: CVE-2024-32340 is a critical-severity vulnerability in Wondercms, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2024-04-17.
How severe is CVE-2024-32340?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2024-32340 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.