CVE-2013-0256

CVE-2013-0256 is a medium-severity vulnerability in Ruby-lang Rdoc with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

darkfish.js in RDoc 2.3.0 through 3.12 and 4.x before 4.0.0.preview2.1, as used in Ruby, does not properly generate documents, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.

Frequently asked questions

What is CVE-2013-0256?
darkfish.js in RDoc 2.3.0 through 3.12 and 4.x before 4.0.0.preview2.1, as used in Ruby, does not properly generate documents, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.
How severe is CVE-2013-0256?
CVE-2013-0256 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-0256 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0256?
CVE-2013-0256 primarily affects Ruby-lang Rdoc. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0256?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0256 published?
CVE-2013-0256 was published on 2013-03-01 and last updated on 2026-06-16.

References

Affected products (17)

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