CVE-2018-7753
Critical
Description
An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Bleach
PublishedMar 7, 2018
First seenMar 7, 2018
How to fix
Update
- bleach2.1.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla bleach | 2.1, 2.1.1, 2.1.2 | — |
| bleachPyPI | 2.1.0 ≤ v < 2.1.3, 2.1 ≤ v < 2.1.3 | 2.1.3 |
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