Medium severity4.8NVD Advisory· Published Jul 6, 2021· Updated Jun 17, 2026

CVE-2021-34190

Description

A stored cross site scripting (XSS) vulnerability in index.php?menu=billing_rates of Issabel PBX version 4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the "Name" or "Prefix" fields under the "Create New Rate" module.

Affected products

Issabel/Pbx2 versions
cpe:2.3:a:issabel:pbx:4:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:issabel:pbx:4:*:*:*:*:*:*:*
- (no CPE)range: 4
Issabel/PBXdescription
Issabel/Issabelllm-fuzzy
Range: 4

Patches

Vulnerability mechanics

References

research.0xdutra.com/posts/research-issabel-stored-xss/nvdExploitThird Party Advisory
www.youtube.com/watchnvdExploitThird Party Advisory

News mentions

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cvss	0.312
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000