CVE-2019-8349 — Multiple cross-site scripting (XSS) vulnerabilities in HTMLy 2

Multiple cross-site scripting (XSS) vulnerabilities in HTMLy 2.7.4 allow remote attackers to inject arbitrary web script or HTML via the (1) destination parameter to delete feature; the (2) destination parameter to edit feature; (3) content parameter in the profile feature.

01What is this vulnerability?

Multiple cross-site scripting (XSS) vulnerabilities in HTMLy 2.7.4 allow remote attackers to inject arbitrary web script or HTML via the (1) destination parameter to delete feature; the (2) destination parameter to edit feature; (3) content parameter in the profile feature.

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

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: 2019-05-08T13:24:32.000Z
• Last modified: 2024-08-04T21:17:30.972Z

09References

• packetstormsecurity.com — http://packetstormsecurity.com/files/151733/HTMLy-2.7.4-Cross-Site-Scripting.htm…
• seclists.org — http://seclists.org/fulldisclosure/2019/Feb/40
• www.netsparker.com — https://www.netsparker.com/web-applications-advisories/