CVE-2016-6896

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Summary

CVECVE-2016-6896
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-01-18 21:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionDirectory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.

Risk And Classification

Primary CVSS: v3.0 7.1 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Problem Types: CWE-22 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.1HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
2.0[email protected]Primary5.5AV:N/AC:L/Au:S/C:P/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
Partial

AV:N/AC:L/Au:S/C:P/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Wordpress Wordpress 4.5.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-security - Path traversal vulnerability in WordPress Core Ajax handlers af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
WordPress Core 4.5.3 - Directory Traversal / Denial of Service - PHP webapps Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com
sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_... af854a3a-2127-422b-91ae-364da2661108 sumofpwn.nl Exploit, Technical Description, Third Party Advisory
WordPress 4.5.3 - Authenticated Denial of Service (DoS) af854a3a-2127-422b-91ae-364da2661108 wpvulndb.com
WordPress Bugs Let Remote Users Conduct Cross-Site Request Forgery Attacks and Remote Authenticated Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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