XSS in Issabel Pbx
CVE-2021-34190
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Issabel Pbx — versions 4
Weakness classification (CWE)
References
- research.0xdutra.com/posts/research-issabel-stored-xss/ (Exploit, Third Party Advisory)
- www.youtube.com/watch (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-34190?
- CVE-2021-34190 is a medium-severity vulnerability in Issabel Pbx, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-07-06.
- How severe is CVE-2021-34190?
- Medium severity. CVSS v3 base score is 4.8 out of 10.