CVE-2019-15053 — The "HTML Include and replace macro" plugin before 1

The "HTML Include and replace macro" plugin before 1.5.0 for Confluence Server allows a bypass of the includeScripts=false XSS protection mechanism via vectors involving an IFRAME element.

01What is this vulnerability?

The "HTML Include and replace macro" plugin before 1.5.0 for Confluence Server allows a bypass of the includeScripts=false XSS protection mechanism via vectors involving an IFRAME element.

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: 2019-08-14T16:05:33.000Z
• Last modified: 2024-08-05T00:34:53.213Z

09References

• marketplace.atlassian.com — https://marketplace.atlassian.com/apps/4885/html-include-and-replace-macro?hosti…
• github.com — https://github.com/l0nax/CVE-2019-15053