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WS-2019-0031
Date: March 21, 2019
In league/commonmark 0.18.2 and below, malicious users can insert double-encoded HTML entities into their Markdow,This library would (correctly) unescape the & entity to & during the parsing step. However, the renderer step would fail to properly re-escape the resulting &colon
Language: PHP
Severity Score
Severity Score
Weakness Type (CWE)
Code
CWE-17CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |