RCE in Pbootcms
CVE-2026-4510
A weakness has been identified in PbootCMS up to 3.2.12. This impacts the function alert_location of the file apps/home/controller/MemberController.php of the component Parameter Handler. This manipulation of the argument backurl causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
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:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% 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: 0.004 · change: +0.002
Affected products
- Pbootcms — versions 3.2.0, 3.2.1, 3.2.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/zzj-create/cvetest/blob/main/VULN-05_BACKURL_OPEN_REDIRECT_XSS_REPOR… (exploit)
Frequently asked questions
- What is CVE-2026-4510?
- CVE-2026-4510 is a medium-severity vulnerability in Pbootcms, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-21.
- How severe is CVE-2026-4510?
- Medium severity. CVSS v3 base score is 4.3 out of 10.