How severe is CVE-2020-9056?

CVE-2020-9056 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2020-9056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9056?

CVE-2020-9056 affects Periscopeholdings Buyspeed. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9056?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-9056 published?

CVE-2020-9056 was published on 2020-04-10 and last updated on 2026-06-17.

CVE-2020-9056

CVE-2020-9056 is a low-severity vulnerability in Periscopeholdings Buyspeed with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 3.9)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Periscopeholdings Buyspeed
Published: 2020-04-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-9056?: 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.
How severe is CVE-2020-9056?: CVE-2020-9056 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2020-9056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9056?: CVE-2020-9056 affects Periscopeholdings Buyspeed. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9056?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9056 published?: CVE-2020-9056 was published on 2020-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:periscopeholdings:buyspeed:14.5:*:*:*:*:*:*:*

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