Stored Cross-Site Scripting (XSS) vulnerability in Issabel products
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Stored Cross-Site Scripting (XSS) vulnerability in Issabel v5.0.0, consisting of a stored XSS due to a lack of proper validation of user input, through the 'email' parameter in '/index.php?menu=address_book'.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| issabel-pbx module | Issabel | before 5.0.0-2 | 5.0.0-2 | Patch available | CNA |
| Issabel, issabel-agenda module | Issabel | before 5.0.0-4 | 5.0.0-4 | Patch available | CNA |
- Issabel Vendorissabel-pbx module Affected before 5.0.0-2 Fixed in 5.0.0-2 Patch available CNA
- Issabel VendorIssabel, issabel-agenda module Affected before 5.0.0-4 Fixed in 5.0.0-4 Patch available CNA
Remediation
- Fix · CNA Issabel (issabel-pbx module) Fixed in 5.0.0-2
- Fix · CNA Issabel (Issabel, issabel-agenda module) Fixed in 5.0.0-4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Issabel, issabel-agenda module Issabel 5.0.0-4
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2025-27118 Stored Cross-Site Scripting (XSS) vulnerability in Issabel productsPriority LOW 22
- Release ·
issabel-pbx module Issabel 5.0.0-2
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2025-27118 Stored Cross-Site Scripting (XSS) vulnerability in Issabel productsPriority LOW 22
Timeline
- 2026-10-02 Threatist record created from CVE-2025-40647
- 2026-10-03 Alias added: GHSA-4545-9995-wr4m
References
More issabel-pbx module vulnerabilities
- TI-2025-27118 Stored Cross-Site Scripting (XSS) vulnerability in Issabel products CVSS 4.0MEDIUM 4.8
Sources
- CVE-2025-40647 · CVE Program
- CVE-2025-40647 · NVD
- FIRST EPSS
- GHSA-4545-9995-wr4m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences