How severe is CVE-2017-6537?

CVE-2017-6537 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-6537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6537?

CVE-2017-6537 affects Webpagetest Project Webpagetest. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6537?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-6537 published?

CVE-2017-6537 was published on 2017-03-08 and last updated on 2026-06-17.

CVE-2017-6537

CVE-2017-6537 is a medium-severity vulnerability in Webpagetest Project Webpagetest with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Webpagetest Project Webpagetest
Published: 2017-03-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-6537?: 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.
How severe is CVE-2017-6537?: CVE-2017-6537 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-6537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6537?: CVE-2017-6537 affects Webpagetest Project Webpagetest. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6537?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6537 published?: CVE-2017-6537 was published on 2017-03-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:webpagetest_project:webpagetest:3.0:*:*:*:*:*:*:*

More vulnerabilities in Webpagetest Project Webpagetest

CVE-2017-6541 — Medium (CVSS 6.1): Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to…
CVE-2017-6540 — Medium (CVSS 6.1): Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to…
CVE-2017-6539 — Medium (CVSS 6.1): Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to…
CVE-2017-6538 — Medium (CVSS 6.1): A Cross-Site Scripting (XSS) issue was discovered in webpagetest 3.0. The vulnerability exists due to insufficient…
CVE-2017-6536 — Medium (CVSS 6.1): Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to…
CVE-2017-6535 — Medium (CVSS 6.1): Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to…

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