CVE-2023-3958

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 51.9% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-08-16 04:36Z3 YR AGO

Last updated

2026-04-08 16:44Z4 MO AGO

Reserved

2023-07-26

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

High (CVSS 8.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Weaknesses

• CWE-918Server-Side Request Forgery (SSRF)Base

Data version

5.2

Document digest

f05ac91c2d12811be6a6c49018ce1f8f9a63a21fade86d976e868616a715d467

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/2e78c759-4a54-4ee4-8eff-df91fe9dad46?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/wp-remote-users-sync/trunk/inc/api/class-wprus-api-abstract.php#L674
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/2946667/wp-remote-users-sync#file127
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/2953845/wp-remote-users-sync#file0