CVE-2020-13248 — BooleBox Secure File Sharing Utility before 4

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2020-06-24T18:36:08.000Z
• Last modified: 2024-08-04T12:11:19.448Z

09References

• members.backbox.org — https://members.backbox.org/boolebox-secure-sharing-multiple-vulnerabilities/
• app.boolebox.com — https://app.boolebox.com/release/vulnerabilities/CVE-2020-13247-13248.html