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prionPRIOn knowledge basePRION:CVE-2017-6927
HistoryMar 01, 2018 - 11:29 p.m.

Cross site scripting

2018-03-0123:29:00
PRIOn knowledge base
www.prio-n.com
5

6.1 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

51.7%

Drupal 8.4.x versions before 8.4.5 and Drupal 7.x versions before 7.57 has a Drupal.checkPlain() JavaScript function which is used to escape potentially dangerous text before outputting it to HTML (as JavaScript output does not typically go through Twig autoescaping). This function does not correctly handle all methods of injecting malicious HTML, leading to a cross-site scripting vulnerability under certain circumstances. The PHP functions which Drupal provides for HTML escaping are not affected.

6.1 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

51.7%