XSS in Microfocus Vibe

CVE-2020-9520

A stored XSS vulnerability was discovered in Micro Focus Vibe, affecting all Vibe version prior to 4.0.7. The vulnerability could allows a remote attacker to craft and store malicious content into Vibe such that when the content is viewed by another user of the system, attacker controlled JavaScript will execute in the security context of the target user’s browser.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-9520: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9520?
CVE-2020-9520 is a medium-severity vulnerability in Microfocus Vibe, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-03-25.
How severe is CVE-2020-9520?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-9520 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.