CVE-2017-9448 — Cross-site scripting (XSS) vulnerabilities in BigTree CMS through 4

Cross-site scripting (XSS) vulnerabilities in BigTree CMS through 4.2.18 allow remote authenticated users to inject arbitrary web script or HTML via the description parameter. This issue exists in core\admin\ajax\pages\save-revision.php and core\admin\modules\pages\revisions.php.

01What is this vulnerability?

Cross-site scripting (XSS) vulnerabilities in BigTree CMS through 4.2.18 allow remote authenticated users to inject arbitrary web script or HTML via the description parameter. This issue exists in core\admin\ajax\pages\save-revision.php and core\admin\modules\pages\revisions.php. Low-privileged (administrator) users can attack high-privileged (Developer) users.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2017-06-06T15:29:00.183
• Last modified: 2026-05-13T00:24:29.033

09References

• github.com — https://github.com/bigtreecms/BigTree-CMS/issues/294
• github.com — https://github.com/bigtreecms/BigTree-CMS/issues/294