SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-6897

Cross-site request forgery (CSRF) vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 allows remote attackers to hijack the authentication of subscribers for /dev/random read operations by…

EXPLOIT ✓MEDIUM 6.5EPSS 28.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 28.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Cross-site request forgery (CSRF) vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 allows remote attackers to hijack the authentication of subscribers for /dev/random read operations by leveraging a late call to the check_ajax_referer function, a related issue to CVE-2016-6896.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
28.82% probability · 98th percentile
Public exploits
1 in Exploit-DB · verified · first 22 August 2016
CISA KEV
Not listed
Weakness
CWE-352
Affected
wordpress/wordpress
Source
cve@mitre.org
EPSS trend
0%15%30%27 October 2026: 28.82%27 October 202627 October 2026

EPSS 28.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-40288source ↗WordPress Core 4.5.3 - Directory Traversal / Denial of Servicephp · Yorick Kosterwebapps22 August 2016yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.