CVE-2026-12923

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 ImpacttotalSuccessful exploitation gives total 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

0.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-07-01.

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

2026-07-01 03:43Z2 MO AGO

Last updated

2026-07-01 10:32Z2 MO AGO

Reserved

2026-06-22

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-98Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')Variant

Data version

5.2

Document digest

938dbd4e6f3ae1056077c5659c418096f1f26bb857ae2e8fb2cabd7854669f52

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/be4743d5-e4ca-4579-84e2-5eb3ef0e274d?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/youtube-showcase/tags/4.0.3/includes/common-functions.php#L1070
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/youtube-showcase/tags/4.0.3/includes/common-functions.php#L1067
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/youtube-showcase/tags/4.0.3/includes/class-install-deactivate.php#L53
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3588198%40youtube-showcase&new=3588198%40youtube-showcase&sfp_email=&sfph_mail=