HIGHVulnerability

CVE-2026-75831

Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the audio and video media rendering through the sourceParsedownElement method. The media URL fragment is concatenated unescaped into rawHtml source elements, allowing attackers to inject arbitrary HTML and JavaScript that executes in viewers' sessions.

Properties

severity
HIGH
score
7.6
epss_score
0.00252
cve_id
CVE-2026-75831
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
published_at
2026-08-18T12:19:33.100
last_modified
2026-09-08T20:32:39.347
epss_percentile
0.16583

Related Entities (3)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-75831 — Ninja Signal Threat Intelligence | Ninja Signal