Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0.
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to insufficient filtration of user-supplied data (benchmark, url) passed to the webpagetest-master/www/benchmarks/trendurl.php URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.
Why it matters now
EPSS 0.00641 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webpagetest_project:webpagetest:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Webpagetest Project |
- cpe:2.3:a:webpagetest_project:webpagetest:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Webpagetest Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6535
- 2026-10-03 Alias added: GHSA-33cj-hx68-hxx3
- 2026-10-23 EPSS moved to the 50th–90th percentile
References
More Webpagetest Project Webpagetest vulnerabilities
- TI-2017-04320 Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. CVSS 3.0MEDIUM 6.1
- TI-2017-04316 A Cross-Site Scripting (XSS) issue was discovered in webpagetest 3.0. CVSS 3.0MEDIUM 6.1
- TI-2017-04203 An issue was discovered in WPO-Foundation WebPageTest 3.0. CVSS 3.0MEDIUM 6.1
- TI-2017-04319 Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. CVSS 3.0MEDIUM 6.1
- TI-2017-04318 Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. CVSS 3.0MEDIUM 6.1
- TI-2017-04317 A Cross-Site Scripting (XSS) issue was discovered in webpagetest 3.0. CVSS 3.0MEDIUM 6.1
Sources
- CVE-2017-6535 · CVE Program
- CVE-2017-6535 · NVD
- FIRST EPSS
- GHSA-33cj-hx68-hxx3 · GitHub Advisory Database · CC BY 4.0
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