SB2020090605 - Multiple vulnerabilities in vBulletin
Published: September 6, 2020 Updated: February 9, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2020-25124)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via an admincp/attachment.php&do=rebuild&type= URI.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
2) Cross-site scripting (CVE-ID: CVE-2020-25122)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via a Rank Type to User Rank Manager.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
3) Cross-site scripting (CVE-ID: CVE-2020-25123)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via a Smilie Title to Smilies Manager.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
4) Cross-site scripting (CVE-ID: CVE-2020-25120)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via the admincp/search.php?do=dosearch URI.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
5) Cross-site scripting (CVE-ID: CVE-2020-25119)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via a Title of a Child Help Item in the Login/Logoff part of the User Manual.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
6) Cross-site scripting (CVE-ID: CVE-2020-25118)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via a Style Options Settings Title to Styles Manager.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
7) Cross-site scripting (CVE-ID: CVE-2020-25115)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via an Occupation Title or Description to User Profile Field Manager.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
8) Cross-site scripting (CVE-ID: CVE-2020-25116)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via an Announcement Title to Channel Manager.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
9) Cross-site scripting (CVE-ID: CVE-2020-25117)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via a Junior Member Title to User Title Manager.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
10) Cross-site scripting (CVE-ID: CVE-2020-25121)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via the Paid Subscription Email Notification field in the Options.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
Remediation
Install update from vendor's website.