CVE-2024-38521 — Hush Line is a free and open-source, anonymous-tip-line-as-a-service for organiz

Hush Line is a free and open-source, anonymous-tip-line-as-a-service for organizations or individuals. There is a stored XSS in the Inbox. The input is displayed using the `safe` Jinja2 attribute, and thus not sanitized upon display. This issue has been patched in version 0.1.0.

01What is this vulnerability?

Hush Line is a free and open-source, anonymous-tip-line-as-a-service for organizations or individuals. There is a stored XSS in the Inbox. The input is displayed using the `safe` Jinja2 attribute, and thus not sanitized upon display. This issue has been patched in version 0.1.0.

02Affected products

Vendor	Product	Versions
scidsg	hushline	< 0.1.0

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-06-28T15:33:21.032Z
• Last modified: 2024-08-02T04:12:25.140Z

09References

• github.com — https://github.com/scidsg/hushline/security/advisories/GHSA-4v8c-r6h2-fhh3