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CVE-2026-58657Proof of concept (PoC) published · CISA

Grav - Stored CSS Injection via Markdown Image resize() Action

CVSS score

4.8

EPSS probability

%0.3

Risk score

0.0

Published

3 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline

Vulnerability Timeline (Change History)

CVE-2026-58657 historical changes made to the vulnerability by NVD, CISA and MITRE:

DateActor / SourceAction / DescriptionTypePrevious valueNew value
08.10.2026nvd@nist.govInitial Analysis & CVSS Vector AssignmentCVSS V3.1—CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
08.07.2026CISA CoordinatorSSVC Risk Re-assessmentSSVC / KEVexploitation: noneexploitation: none
08.07.2026MITRE / NVDNew CVE Record Received & IngestedCVE Created—CVE-2026-58657

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