XSS in N/a

CVE-2026-36239

PbootCMS v.3.2.11 contains a code injection vulnerability in its site configuration functionality

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (13.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% 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-2026-36239: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-36239?
CVE-2026-36239 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-05-26.
How severe is CVE-2026-36239?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2026-36239 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.