CVE-2019-8331 — In Bootstrap before 3

In Bootstrap before 3.4.1 and 4.3.x before 4.3.1, XSS is possible in the tooltip or popover data-template attribute.

01What is this vulnerability?

In Bootstrap before 3.4.1 and 4.3.x before 4.3.1, XSS is possible in the tooltip or popover data-template attribute.

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: 2019-02-20T16:00:00.000Z
• Last modified: 2024-08-04T21:17:31.342Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/107375
• seclists.org — https://seclists.org/bugtraq/2019/May/18
• seclists.org — http://seclists.org/fulldisclosure/2019/May/11
• seclists.org — http://seclists.org/fulldisclosure/2019/May/10
• seclists.org — http://seclists.org/fulldisclosure/2019/May/13
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:1456
• lists.apache.org — https://lists.apache.org/thread.html/54df3aeb4239b64b50b356f0ca6f986e3c4ca5b84c5…
• lists.apache.org — https://lists.apache.org/thread.html/10f0f3aefd51444d1198c65f44ffdf2d78ca3359423…
• lists.apache.org — https://lists.apache.org/thread.html/17ff53f7999e74fbe3cc0ceb4e1c3b00b180b7c5afe…
• lists.apache.org — https://lists.apache.org/thread.html/52bafac05ad174000ea465fe275fd3cc7bd5c25535a…
• lists.apache.org — https://lists.apache.org/thread.html/52e0e6b5df827ee7f1e68f7cc3babe61af3b2160f5d…
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:3023
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:3024
• lists.apache.org — https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12e…
• lists.apache.org — https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e…
• lists.apache.org — https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d28…
• packetstormsecurity.com — http://packetstormsecurity.com/files/156743/OctoberCMS-Insecure-Dependencies.htm…
• lists.apache.org — https://lists.apache.org/thread.html/r3dc0cac8d856bca02bd6997355d7ff83027dcfc82f…
• lists.apache.org — https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995…
• www.oracle.com — https://www.oracle.com/security-alerts/cpuApr2021.html
• github.com — https://github.com/twbs/bootstrap/pull/28236
• github.com — https://github.com/twbs/bootstrap/releases/tag/v4.3.1
• blog.getbootstrap.com — https://blog.getbootstrap.com/2019/02/13/bootstrap-4-3-1-and-3-4-1/
• github.com — https://github.com/twbs/bootstrap/releases/tag/v3.4.1
• support.f5.com — https://support.f5.com/csp/article/K24383845
• support.f5.com — https://support.f5.com/csp/article/K24383845?utm_source=f5support&amp%3Butm_medi…
• www.tenable.com — https://www.tenable.com/security/tns-2021-14