RCE in Phpems
CVE-2026-3946
A vulnerability was detected in PHPEMS 11.0. The affected element is an unknown function of the file /index.php?ask=app-ask. Performing a manipulation of the argument askcontent results in cross site scripting. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Phpems — versions 11.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/shufenshui/CVE/issues/1 (issue-tracking)
- github.com/user-attachments/files/25814874/default.docx (exploit)
Frequently asked questions
- What is CVE-2026-3946?
- CVE-2026-3946 is a low-severity vulnerability in Phpems, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-11.
- How severe is CVE-2026-3946?
- Low severity. CVSS v3 base score is 3.5 out of 10.