Multiple vulnerabilities in Joomla!
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2018-15880 CVE-2018-15881 CVE-2018-15882 |
| CWE-ID | CWE-79 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Joomla! Web applications / CMS |
| Vendor | Joomla! |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Stored cross-site scripting
EUVDB-ID: #VU14556
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-15880
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform stored cross-site scripting (XSS) attacks.
The vulnerability exists in the frontend profile due to inadequate output filtering on the user profile page. 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.
Update to version 3.8.12.
Vulnerable software versionsJoomla!: 1.5 - 3.8.11
External linkshttp://developer.joomla.org/security-centre.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) Security restrictions bypass
EUVDB-ID: #VU14557
Risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-15881
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists in custom fields due to inadequate checks regarding disabled fields. A remote attacker can supply specially crafted fields, bypass security restrictions and violate ACL in custom fields.
MitigationUpdate to version 3.8.12.
Vulnerable software versionsJoomla!: 3.7.0 - 3.8.11
External linkshttp://developer.joomla.org/security-centre.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.
3) Security restrictions bypass
EUVDB-ID: #VU14558
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-15882
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to inadequate checks in the InputFilter class. A remote attacker can use specifically prepared PHAR files to bypass the upload filter.
MitigationUpdate to version 3.8.12.
Vulnerable software versionsJoomla!: 1.5 - 3.8.11
External linkshttp://developer.joomla.org/security-centre.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.
