RCE in Baseweb Jsite
CVE-2025-3789
A vulnerability was found in baseweb JSite 1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /a/sys/area/save. The manipulation of the argument Name leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the 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: 0.004 (29.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Baseweb Jsite — versions 1.0
- Jsite — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/caigo8/CVE-md/blob/main/JSite/XSS3.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-3789?
- CVE-2025-3789 is a low-severity vulnerability in Baseweb Jsite, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-04-18.
- How severe is CVE-2025-3789?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2025-3789 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.