CVE-2026-6403

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

0.81% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.3% 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:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Deferred. 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

2026-05-15 07:46Z3 MO AGO

Last updated

2026-05-15 13:26Z3 MO AGO

Reserved

2026-04-15

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.2

Document digest

6f5c04139f04d6555b224ca99daace3b15c8a689e5ab248c666929c5e9450b8f

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/a39dccb6-b635-44af-b0e0-c3010b719773?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/trunk/utility.php#L162
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/utility.php#L162
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/trunk/api.php#L62
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/api.php#L62
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/trunk/utility.php#L248
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/utility.php#L248
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/trunk/api.php#L631
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/api.php#L631
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3523317%40quick-playground&new=3523317%40quick-playground&sfp_email=&sfph_mail=
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3514238%40quick-playground&new=3514238%40quick-playground&sfp_email=&sfph_mail=