XSS in Fabio Zuanon Add Custom Content After Post

CVE-2025-23652

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Fabio Zuanon Add custom content after post add-custom-content-after-post allows Reflected XSS.This issue affects Add custom content after post: from n/a through <= 1.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (21.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-23652: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-23652?
CVE-2025-23652 is a high-severity vulnerability in Fabio Zuanon Add Custom Content After Post, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-02-14.
How severe is CVE-2025-23652?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-23652 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.