CVE-2026-15403

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-08-12.

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

2026-08-01 01:29Z1 MO AGO

Last updated

2026-08-03 17:31Z1 MO AGO

Reserved

2026-07-10

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

Medium (CVSS 4.9)

CNA CVSS vector

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

Weaknesses

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')Base

Data version

5.2

Document digest

cb5e6d8708dbe2a947ba5446a6bbbd6dae1d46e68bf370531cae42b14db7ce8f

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/bb23bc2e-4484-46d5-b46e-5e43e5a1bf12?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-system/tags/2.9.9.6.9/includes/calendars/class-backend-calendar.php#L164
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-system/tags/2.9.9.6.9/includes/calendars/class-backend-calendar.php#L155
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-system/tags/2.9.9.6.9/dopbs.php#L2300