CVE-2010-1330

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-11-23 · updated 2026-06-16
Weakness: CWE-79

Description

The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.

Affected products

Jruby: through 1.4.0; 0.9.0, 0.9.1, 0.9.2, 0.9.8, 0.9.9, 1.0.0 (+28)

References

http://rhn.redhat.com/errata/RHSA-2011-1456.html
http://secunia.com/advisories/46891
http://www.jruby.org/2010/04/26/jruby-1-4-1-xss-vulnerability.html
http://www.osvdb.org/77297
https://bugs.gentoo.org/show_bug.cgi?id=317435
https://bugzilla.redhat.com/show_bug.cgi?id=750306
https://exchange.xforce.ibmcloud.com/vulnerabilities/80277
http://rhn.redhat.com/errata/RHSA-2011-1456.html
http://secunia.com/advisories/46891
http://www.jruby.org/2010/04/26/jruby-1-4-1-xss-vulnerability.html
http://www.osvdb.org/77297
https://bugs.gentoo.org/show_bug.cgi?id=317435

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