CVE-2026-85599

Grav Shortcode Core before 6.2.5 Stored XSS via unescaped parameters

HIGH
7.2
CVSS Score
Published: September 4, 2026 at 11:30 AM UTC
Updated: September 8, 2026 at 08:19 PM UTC
2 products affected across 1 vendorGravGrav Plugin Shortcode Core

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Severity
HIGH7.2
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the [lorem] tag parameter and [details] summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browsers of all page visitors, including administrators.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 6.2.5
Affected range stops below 6.2.5, so it looks safe — our inference, not a vendor statement
v < 6.2.5
Vendor states this is fixed in 6.2.5 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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