How severe is CVE-2020-13248?

CVE-2020-13248 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-13248 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13248?

CVE-2020-13248 affects Boolebox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13248?

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

When was CVE-2020-13248 published?

CVE-2020-13248 was published on 2020-06-24 and last updated on 2026-06-17.

CVE-2020-13248

CVE-2020-13248 is a medium-severity vulnerability in Boolebox with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Boolebox
Published: 2020-06-24
Last modified: 2026-06-17

Description

BooleBox Secure File Sharing Utility before 4.2.3.0 allows stored XSS via a crafted avatar field within My Account JSON data to Account.aspx.

Frequently asked questions

What is CVE-2020-13248?: BooleBox Secure File Sharing Utility before 4.2.3.0 allows stored XSS via a crafted avatar field within My Account JSON data to Account.aspx.
How severe is CVE-2020-13248?: CVE-2020-13248 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-13248 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13248?: CVE-2020-13248 affects Boolebox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13248?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13248 published?: CVE-2020-13248 was published on 2020-06-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:boolebox:boolebox:*:*:*:*:*:*:*:*

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