CVE-2020-9056

Name: CVE-2020-9056
Creator: NVD / NIST
Published: 2020-04-10T19:15:13.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2020-9056 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Periscope BuySpeed version 14.5 is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to store arbitrary JavaScript within the application. This JavaScript is subsequently displayed by the application without sanitization and is executed in the browser of the user, which could possibly cause website redirection, session hijacking, or information disclosure. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

Periscope BuySpeed version 14.5 is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to store arbitrary JavaScript within the application. This JavaScript is subsequently displayed by the application without sanitization and is executed in the browser of the user, which could possibly cause website redirection, session hijacking, or information disclosure. This vulnerability has been patched in BuySpeed version 15.3.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:L

EPSS Probability

0.64%

45.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Periscopeholdings	Buyspeed	14.5

References

https://kb.cert.org/vuls/id/660597/Third Party Advisory, US Government Resource
https://support.buyspeed.com/hc/en-us/articles/360035773831-Buyspeed-15-3-0-Release-NotesRelease Notes, Vendor Advisory
https://kb.cert.org/vuls/id/660597/Third Party Advisory, US Government Resource
https://support.buyspeed.com/hc/en-us/articles/360035773831-Buyspeed-15-3-0-Release-NotesRelease Notes, Vendor Advisory

Timeline

Published: Apr 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9056?

How severe is CVE-2020-9056?

CVE-2020-9056 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9056?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9056?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST