Critical severity9.8NVD Advisory· Published Mar 7, 2018· Updated Jun 17, 2026
CVE-2018-7753
CVE-2018-7753
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
bleachPyPI | >= 2.1.0, < 2.1.3 | 2.1.3 |
Affected products
5cpe:2.3:a:mozilla:bleach:2.1.1:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:bleach:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:bleach:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:bleach:2.1:*:*:*:*:*:*:*
- ghsa-coords2 versions
>= 2.1.0, < 2.1.3+ 1 more
- (no CPE)range: >= 2.1.0, < 2.1.3
- (no CPE)range: < 6.1.0-1.5
Patches
Vulnerability mechanics
References
6- github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35efnvdPatchThird Party AdvisoryWEB
- bugs.debian.org/892252nvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-m9mq-p2f9-cfqvghsaADVISORY
- github.com/mozilla/bleach/releases/tag/v2.1.3nvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2018-7753ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/bleach/PYSEC-2018-51.yamlghsaWEB
News mentions
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