CVE-2011-3371 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can inject arbitrary web script or HTML via multiple parameters in PunBB, potentially leading to session hijacking or malicious actions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2011-3371?

CVE-2011-3371 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Oct 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple cross-site scripting (XSS) vulnerabilities in include/functions.php in PunBB before 1.3.6 allow remote attackers to inject arbitrary web script or HTML via 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.

Weakness: CWE-79

Which versions are affected by CVE-2011-3371?

It affects 1 product.

Products include Punbb Punbb.

How do I fix CVE-2011-3371?

No fix has been published for CVE-2011-3371 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2011-3371 being exploited?

There is no known exploitation of CVE-2011-3371 in the wild and no public exploit code.

Sources

Also known as GHSA-r4p3-cf4c-f49f.

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