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CVE-2025-40647

Stored Cross-Site Scripting (XSS) vulnerability in Issabel products

MEDIUM
5.1
CVSS Score
Published: October 1, 2025 at 12:30 PM UTC
Updated: October 19, 2026 at 05:10 PM UTC
2 products affected across 2 vendorsIssabelIssabel

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Severity
MEDIUM5.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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'.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Issabel· Issabel Issabel Agenda Module
90%
0 ≤ v < 5.0.0-40
Affected range stops below 5.0.0-4, so it looks safe — our inference, not a vendor statement
Issabel· Issabel Pbx Module
90%
0 ≤ v < 5.0.0-20
Affected range stops below 5.0.0-2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-issabel-products

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMINCIBE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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