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CVE-2021-24637

Fonts Plugin < 3.0.3 - Contributor+ Stored Cross-Site Scripting

MEDIUM
5.4
CVSS Score
Published: September 20, 2021 at 10:06 AM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorFonts

Using Fonts Plugin | Google Fonts Typography by Unknown?

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%

Description

The Google Fonts Typography WordPress plugin before 3.0.3 does not escape and sanitise some of its block settings, allowing users with as role as low as Contributor to perform Stored Cross-Site Scripting attacks via blockType (combined with content), align, color, variant and fontID argument of a Gutenberg block.

Affected

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

Fonts· Fontspluginwordpress-plugin
95%
v < 3.0.3
Affected range stops below 3.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/dd2b3f22-5e8b-41cf-bcb8-d2e673e1d21e

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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