CVE-2010-1236

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-04-01 · updated 2026-06-16
Weakness: CWE-79

Description

The protocolIs function in platform/KURLGoogle.cpp in WebCore in WebKit before r55822, as used in Google Chrome before 4.1.249.1036 and Flock Browser 3.x before 3.0.0.4112, does not properly handle whitespace at the beginning of a URL, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted javascript: URL, as demonstrated by a \x00javascript:alert sequence.

Affected products

Flock: 3.0.0.4094
Google Chrome: through 4.1.249.1035; 0.1.38.1, 0.1.38.2, 0.1.38.4, 0.1.40.1, 0.1.42.2, 0.1.42.3 (+217)

References

http://code.google.com/p/chromium/issues/detail?id=37383
http://codereview.chromium.org/858001
http://flock.com/security/
http://googlechromereleases.blogspot.com/2010/03/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://secunia.com/advisories/43068
http://src.chromium.org/viewvc/chrome?view=rev&revision=41244
http://www.vupen.com/english/advisories/2011/0212
https://bugs.webkit.org/show_bug.cgi?id=35948
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14067
http://code.google.com/p/chromium/issues/detail?id=37383
http://codereview.chromium.org/858001

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