Cross-site scripting in Joomla!



Published: 2019-01-15
Risk Low
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2019-6264
CVE-2019-6261
CVE-2019-6263
CVE-2019-6262
CWE-ID CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #3 is available.
Vulnerable software
Subscribe 		Joomla!
Web applications / CMS

Vendor Joomla!

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU16992

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-6264

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform stored cross-site scripting (XSS) attacks.

The vulnerability exists due to inadequate escaping in mod_banners. 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.

Mitigation

Update to version 3.9.2.

Vulnerable software versions

Joomla!: 2.5.0 - 3.9.1

CPE2.3 External links

http://developer.joomla.org/security-centre.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Cross-site scripting

EUVDB-ID: #VU16993

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-6261

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform stored cross-site scripting (XSS) attacks.

The vulnerability exists due to inadequate escaping in com_contact. 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.

Mitigation

Update to version 3.9.2.

Vulnerable software versions

Joomla!: 2.5.0 - 3.9.1

CPE2.3 External links

http://developer.joomla.org/security-centre.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Cross-site scripting

EUVDB-ID: #VU16994

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-6263

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: Yes

Description

The disclosed vulnerability allows a remote attacker to perform stored cross-site scripting (XSS) attacks.

The vulnerability exists due to inadequate checks at the Global Configuration Text Filter settings. 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.

Mitigation

Update to version 3.9.2.

Vulnerable software versions

Joomla!: 2.5.0 - 3.9.1

CPE2.3 External links

http://developer.joomla.org/security-centre.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

4) Cross-site scripting

EUVDB-ID: #VU16995

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-6262

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform stored cross-site scripting (XSS) attacks.

The vulnerability exists due to inadequate checks at the Global Configuration helpurl settings. 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.

Mitigation

Update to version 3.9.2.

Vulnerable software versions

Joomla!: 2.5.0 - 3.9.1

CPE2.3 External links

http://developer.joomla.org/security-centre.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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