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Vulnerability details: VCID-ac75-ed1t-euc4
Vulnerability ID VCID-ac75-ed1t-euc4
Aliases CVE-2013-0256
GHSA-v2r9-c84j-v7xm
OSV-90004
Summary XSS exploit of RDoc documentation generated by rdoc This exploit may lead to cookie disclosure to third parties. The exploit exists in darkfish.js which is copied from the RDoc install location to the generated documentation. RDoc is a static documentation generation tool. Patching the library itself is insufficient to correct this exploit.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual MODERATE http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2013-02/msg00048.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0686.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0701.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0728.html
cvssv3 5.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-0256.json
epss 0.02671 https://api.first.org/data/v1/epss?cve=CVE-2013-0256
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=907820
generic_textual MODERATE https://github.com/advisories/GHSA-v2r9-c84j-v7xm
generic_textual MODERATE https://github.com/rdoc/rdoc
generic_textual MODERATE https://github.com/rdoc/rdoc/commit/ffa87887ee0517793df7541629a470e331f9fe60
generic_textual MODERATE https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rdoc/CVE-2013-0256.yml
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2013-0256
generic_textual MODERATE https://web.archive.org/web/20130402173730/http://blog.segment7.net:80/2013/02/06/rdoc-xss-vulnerability-cve-2013-0256-releases-3-9-5-3-12-1-4-0-0-rc-2
generic_textual MODERATE http://www.ruby-lang.org/en/news/2013/02/06/rdoc-xss-cve-2013-0256
generic_textual MODERATE http://www.ubuntu.com/usn/USN-1733-1
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00048.html
http://rhn.redhat.com/errata/RHSA-2013-0686.html
http://rhn.redhat.com/errata/RHSA-2013-0701.html
http://rhn.redhat.com/errata/RHSA-2013-0728.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-0256.json
https://api.first.org/data/v1/epss?cve=CVE-2013-0256
https://bugzilla.redhat.com/show_bug.cgi?id=907820
https://github.com/advisories/GHSA-v2r9-c84j-v7xm
https://github.com/rdoc/rdoc
https://github.com/rdoc/rdoc/commit/ffa87887ee0517793df7541629a470e331f9fe60
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rdoc/CVE-2013-0256.yml
https://nvd.nist.gov/vuln/detail/CVE-2013-0256
https://web.archive.org/web/20130402173730/http://blog.segment7.net:80/2013/02/06/rdoc-xss-vulnerability-cve-2013-0256-releases-3-9-5-3-12-1-4-0-0-rc-2
http://www.ruby-lang.org/en/news/2013/02/06/rdoc-xss-cve-2013-0256
http://www.ubuntu.com/usn/USN-1733-1
CVE-2013-0256.RDOC https://github.com/rdoc/rdoc/blob/master/CVE-2013-0256.rdoc
RHSA-2013:0686 https://access.redhat.com/errata/RHSA-2013:0686
RHSA-2013:0701 https://access.redhat.com/errata/RHSA-2013:0701
RHSA-2013:0728 https://access.redhat.com/errata/RHSA-2013:0728
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-0256.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.86094
EPSS Score 0.02671
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:36:07.703915+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rdoc/CVE-2013-0256.yml 38.6.0