Multiple vulnerabilities in WordPress

Published: 2014-01-21 | Updated: 2020-11-02

Risk	Medium
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2012-6633 CVE-2012-6634 CVE-2012-6635
CWE-ID	CWE-79 CWE-264
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	WordPress Web applications / CMS
Vendor	WordPress.ORG

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU42123

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2012-6633

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

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in wp-includes/default-filters.php in WordPress before 3.3.3. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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 update from vendor's website.

Vulnerable software versions

WordPress: 3.0 - 3.3.1

CPE2.3

External links

http://codex.wordpress.org/Version_3.3.3
http://core.trac.wordpress.org/changeset/21083

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU42124

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-6634

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

wp-admin/media-upload.php in WordPress before 3.3.3 allows remote attackers to obtain sensitive information or bypass intended media-attachment restrictions via a post_id value.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WordPress: 3.0 - 3.3.1

CPE2.3

External links

http://codex.wordpress.org/Version_3.3.3
http://core.trac.wordpress.org/changeset/21087

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU42125

Risk: Low

CVSSv3.1: 1.3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-6635

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote #AU# to gain access to sensitive information.

wp-admin/includes/class-wp-posts-list-table.php in WordPress before 3.3.3 does not properly restrict excerpt-view access, which allows remote authenticated users to obtain sensitive information by visiting a draft.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WordPress: 3.0 - 3.3.1

CPE2.3

External links

http://codex.wordpress.org/Version_3.3.3
http://core.trac.wordpress.org/changeset/21086

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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