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CVE-2018-7753

UnknownEPSS 2.23%

Last modified

CVE-2018-7753 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaBleach2.1
MozillaBleach2.1.1
MozillaBleach2.1.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-7753?
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.
How severe is CVE-2018-7753?
Severity scoring for CVE-2018-7753 is pending analysis. The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.
How do I fix CVE-2018-7753?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-7753?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST