Multiple vulnerabilities in Joomla!

1) Cross-site scripting

EUVDB-ID: #VU102421

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-40747

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 cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in module chromes. 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

Install updates from vendor's website.

Vulnerable software versions

Joomla!: 4.0.0 - 5.2.2

CPE2.3

• cpe:2.3:a:joomla:joomla:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.2.9:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:5.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:5.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:5.2.2:*:*:*:*:*:*:*

External links

https://developer.joomla.org/security-centre/954-20250101-core-xss-vectors-in-module-chromes.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting

EUVDB-ID: #VU102420

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-40748

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 cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the id attribute of menu lists. 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

Install updates from vendor's website.

Vulnerable software versions

Joomla!: 3.0.0 - 5.2.2

CPE2.3

• cpe:2.3:a:joomla:joomla:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.10.19:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.5.9:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.6.5:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.7.5:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.8.13:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:3.9.28:*:*:*:*:*:*:*

External links

https://developer.joomla.org/security-centre/955-20250102-core-xss-vector-in-the-id-attribute-of-menu-lists.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper access control

EUVDB-ID: #VU102419

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-40749

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and gain unauthorized access to sensitive data.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Joomla!: 3.9.0 - 5.2.2

CPE2.3

External links

https://developer.joomla.org/security-centre/956-20250103-core-read-acl-violation-in-multiple-core-views.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.