CVE-2018-7663 — An issue was discovered in resources/views/layouts/app

An issue was discovered in resources/views/layouts/app.blade.php in Voten.co before 2017-08-25. An unescaped template literal in the bio field of a user profile (resources/views/layouts/app.blade.php) allows for server-side template injection of arbitrary JavaScript.

01What is this vulnerability?

An issue was discovered in resources/views/layouts/app.blade.php in Voten.co before 2017-08-25. An unescaped template literal in the bio field of a user profile (resources/views/layouts/app.blade.php) allows for server-side template injection of arbitrary JavaScript.

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: 2018-03-05T07:00:00.000Z
• Last modified: 2024-08-05T06:31:05.245Z

09References

• github.com — https://github.com/voten-co/voten/commit/ee6a322568166e28465da075159a6d4adbf74d5…
• github.com — https://github.com/spencerdodd/public-writeups/blob/master/CVE-2018-7663/README.…