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|
WordPress
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WikkaWiki
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| Releases Analysed
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Nine
|
Six
|
| Security issue reports analyzed
|
97
|
61
|
| Vulnerable files (over project's history)
|
26% (85 / 326)
|
29% (44 / 209)
|
| Average number of hotspots (over project's history
|
255
|
92
|
| Average percent of files having at least one hotspot
|
14.2%
|
8.42%
|
| Hypotheses about files
|
| H1. The more hotspots a file contains per line of code, the more likely it is that the file contains any web application vulnerability.
|
True (Logistic Regression, p<0.05)
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True (Logistic Regression, p<0.05)
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| H2. The more hotspots a file contains, the more times that file was changed due to any kind of vulnerability (not just input validation vulnerabilities).
|
True (Simple Linear Regression, p<0.0001, Adjusted R2 = 0.4208)
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True (Simple Linear Regression, p<0.0001, Adjusted R2 = 0.3802)
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| Hypotheses about issue reports
|