HIGHVulnerability

CVE-2026-71573

Joomla! Core - [20260802] - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper implementation prevented configured CORS origins from being properly validated in CORS requests.

Properties

severity
HIGH
score
8.3
epss_score
0.00336
cve_id
CVE-2026-71573
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
published_at
2026-08-18T17:17:02.243
last_modified
2026-09-03T15:04:22.527
epss_percentile
0.26296

Related Entities (4)

ENRICHED_BY (1)

[Source]FIRST EPSS

AFFECTS_PRODUCT (1)

[Product]

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of CRLF Sequences ('CRLF Injection')

DESCRIBED_BY (1)

[Source]NVD

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-71573 — Ninja Signal Threat Intelligence | Ninja Signal