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mozilla bleach vulnerabilities

5 published CVES affecting mozilla bleach, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
5
Critical
1
High
1
Medium
3
Low
0
Unscored
0
CISA KEV
0

Latest mozilla bleach CVEs

Newest publication first

  1. MediumCVSS 6.1 EPSS 0.48%

    A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in...

  2. HighCVSS 7.5 EPSS 0.72%

    bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).

  3. CriticalCVSS 9.8 EPSS 2.2%

    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 thro...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.