Cross-site scripting in PunBB - CVE-2011-3371

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Main Vulnerability Database Vulnerabilities #VU44655

Cross-site scripting in PunBB - CVE-2011-3371

Published: October 2, 2011 / Updated: August 11, 2020


Vulnerability identifier: #VU44655
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-3371
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: punbb.org
Affected software:
PunBB

Detailed vulnerability description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in include/functions.php in PunBB before 1.3.6 when processing the (1) id, (2) form_sent, (3) csrf_token, (4) req_confirm, or (5) delete parameter to delete.php, the (6) id, (7) form_sent, (8) csrf_token, (9) req_message, or (10) submit parameter to edit.php, the (11) action, (12) form_sent, (13) csrf_token, (14) req_email, or (15) request_pass parameter to login.php, the (16) email, (17) form_sent, (18) redirect_url, (19) csrf_token, (20) req_subject, (21) req_message, or (22) submit parameter to misc.php, the (23) action, (24) id, (25) form_sent, (26) csrf_token, (27) req_old_password, (28) req_new_password1, (29) req_new_password2, or (30) update parameter to profile.php, or the (31) action, (32) form_sent, (33) csrf_token, (34) req_username, (35) req_password1, (36) req_password2, (37) req_email1, (38) timezone, or (39) register parameter to register.php. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


How to mitigate CVE-2011-3371

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources