CVE-2006-3761

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-07-21 · updated 2026-06-16
Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in inc/functions_post.php in MyBB (aka MyBulletinBoard) 1.0 RC2 through 1.1.4 allows remote attackers to inject arbitrary web script or HTML via a javascript URI with an SGML numeric character reference in the url BBCode tag, as demonstrated using "javascript".

Affected products

Mybulletinboard: 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0_final, 1.0_pr2 (+15)

References

http://community.mybboard.net/showthread.php?tid=10115
http://myimei.com/security/2006-06-22/mybb-114-function_postphpxss-attack-in-url-tag.html
http://secunia.com/advisories/20873
http://securityreason.com/securityalert/1257
http://www.mybboard.com/archive.php?nid=15
http://www.osvdb.org/26808
http://www.securityfocus.com/archive/1/438588/100/200/threaded
http://www.securityfocus.com/bid/18702
https://exchange.xforce.ibmcloud.com/vulnerabilities/27444
http://community.mybboard.net/showthread.php?tid=10115
http://myimei.com/security/2006-06-22/mybb-114-function_postphpxss-attack-in-url-tag.html
http://secunia.com/advisories/20873

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