What is CVE-2025-28243?

CVE-2025-28243 is a high-severity vulnerability in Alteryx Server, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2025-07-10.

How severe is CVE-2025-28243?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in Alteryx Server

CVE-2025-28243

An issue in Alteryx Server v.2023.1.1.460 allows HTML injection via a crafted script to the pages component.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Alteryx Server — versions 2023.1.1.460

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

alteryx.com (Product)
gist.github.com/DylanGrl/fbe4cc8eaf2b95147069c82b39be59b0 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-28243?: CVE-2025-28243 is a high-severity vulnerability in Alteryx Server, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2025-07-10.
How severe is CVE-2025-28243?: High severity. CVSS v3 base score is 8.0 out of 10.