CVE-2025-8839: jshERP · Improper Authorization
Affects jshERPSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 11 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| jshERP | Affected
| Fixed in– |
AI-suggested
1. Immediate mitigation should include restricting external access to the /jshERP-boot/user/addUser endpoint via network controls such as firewalls or VPNs, limiting exposure to trusted internal networks only. 2. Implement strict access control policies and monitor logs for unusual user creation activities or access patterns. 3. Apply virtual patching via web application firewalls (WAF) to detect and block suspicious requests targeting the vulnerable endpoint until an official patch is released. 4. Engage with the jshERP vendor or community to obtain or request security patches or updates addressing this vulnerability. 5. Conduct thorough audits of user accounts and permissions to identify and remediate any unauthorized accounts created prior to patching. 6. Enhance monitoring and alerting on ERP system activities to detect potential exploitation attempts early. 7. Educate IT and security teams about this vulnerability to ensure rapid response and containment.
Description
A vulnerability was found in jshERP up to 3.5. This issue affects some unknown processing of the file /jshERP-boot/user/addUser of the component Endpoint. The manipulation leads to improper authorization. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.