SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-1001000

The register_routes function in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php in the REST API in WordPress 4.7.x before 4.7.2 does not require an integer identifier, which allows remote attackers to modify arbitrary pages via a…

HIGH 7.5EPSS 84.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 84.9%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

The register_routes function in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php in the REST API in WordPress 4.7.x before 4.7.2 does not require an integer identifier, which allows remote attackers to modify arbitrary pages via a request for wp-json/wp/v2/posts followed by a numeric value and a non-numeric value, as demonstrated by the wp-json/wp/v2/posts/123?id=123helloworld URI.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
84.94% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
wordpress/wordpress
Source
46fe6300-5254-4a98-9594-a9567bec8179
EPSS trend
0%43%85%27 October 2026: 84.94%27 October 202627 October 2026

EPSS 84.9% 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.

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