CVE-2017-6537: n/a vulnerability

CVE-2017-6537: A Cross-Site Scripting (XSS) issue was discovered in webpagetest 3.0.

A Cross-Site Scripting (XSS) issue was discovered in webpagetest 3.0. The vulnerability exists due to insufficient filtration of user-supplied data (bgcolor) passed to the webpagetest-master/www/video/view.php URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

UnknownCVSS not scoredNot KEV-listedUpdatedFeb 13, 2026, 16:25 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-6537 is an XSS flaw reported in WebPageTest 3.0. A crafted value in the bgcolor parameter could make a vulnerable site run attacker-controlled HTML or script in a visitor's browser. The sources do not provide CVSS, normalized affected CPEs, or confirmed active exploitation. Exposure is most likely where WebPageTest 3.0 or derivative deployments expose the video view page to users. The bundle's affected-product metadata is incomplete, so teams should verify actual deployed versions and code lineage rather than relying on CPE matching. Treat this as a moderate web application risk for exposed WebPageTest systems. It can affect user trust and session integrity, but the bundle does not show active exploitation, CVSS severity, or a confirmed patch level. Mitigation focus: Check WPO-Foundation or vendor guidance for fixed versions or patches.; Upgrade affected WebPageTest deployments according to vendor guidance.; Restrict public access to vulnerable WebPageTest interfaces where feasible..

Prepared: Jun 13, 2026, 06:02 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 8, 2017, 08:37 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://github.com/WPO-Foundation/webpagetest/issues/837CVE reference
https://github.com/MarkLee131/awesome-web-pocs/blob/main/CVE-2017-6537.mdCVE reference

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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