CVE-2015-3440 : Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress b

Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.

Published 2015-08-03 14:59:00

Updated 2016-12-06 03:01:02

Source Debian GNU/Linux

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2015-3440

Debian » Debian Linux » Version: 7.0
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions up to, including, (<=) 4.2
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2015-3440

Top countries where our scanners detected CVE-2015-3440

Top open port discovered on systems with this issue 22

IPs affected by CVE-2015-3440 6

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2015-3440!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2015-3440

EPSS FAQ

64.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 98 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-3440

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None

CWE ids for CVE-2015-3440

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-3440

https://klikki.fi/adv/wordpress2.html

Klikki Oy - WordPress 4.2 Stored XSS
Exploit
http://seclists.org/fulldisclosure/2015/Apr/84

Full Disclosure: WordPress 4.2 stored XSS
Exploit
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html

[SECURITY] Fedora 22 Update: wordpress-4.2.1-1.fc22

CVEs referencing this url
http://www.debian.org/security/2015/dsa-3250

Debian -- Security Information -- DSA-3250-1 wordpress

CVEs referencing this url
https://core.trac.wordpress.org/changeset/32299

Changeset 32299 – WordPress Trac
http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.html

WordPress 4.2 Cross Site Scripting ≈ Packet Storm
Exploit
https://wordpress.org/news/2015/04/wordpress-4-2-1/

News – WordPress 4.2.1 Security Release – WordPress.org
Patch;Vendor Advisory
https://www.exploit-db.com/exploits/36844/

WordPress 4.2 - Persistent Cross-Site Scripting
Exploit
http://www.securitytracker.com/id/1032199

WordPress Input Validation Flaw in Processing Large Comments Permits Cross-Site Scripting Attacks - SecurityTracker
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html

[SECURITY] Fedora 21 Update: wordpress-4.2.2-1.fc21

CVEs referencing this url
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html

[SECURITY] Fedora 20 Update: wordpress-4.2.2-1.fc20

CVEs referencing this url
http://codex.wordpress.org/Version_4.2.1

Version 4.2.1 | WordPress.org
https://wpvulndb.com/vulnerabilities/7945

WordPress <= 4.2 - Unauthenticated Stored Cross-Site Scripting (XSS)
http://www.securityfocus.com/bid/74334

WordPress Comment Section HTML Injection Vulnerability