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CVE-2024-8712

GTM Server Side <= 2.1.19 - Reflected Cross-Site Scripting

MEDIUM
6.1
CVSS Score
Published: September 28, 2024 at 08:36 AM UTC
Updated: June 17, 2026 at 08:23 AM UTC
2 products affected across 2 vendorsGtm Server SideGtm Server Side

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

The GTM Server Side plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.1.19. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected

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

Gtm Server Side· Stapewordpress-plugin
95%
v < 2.1.20
Affected range stops below 2.1.20, so it looks safe — our inference, not a vendor statement
Gtm Server Side· Gtmserverwordpress-plugin
60%
v ≤ 2.1.19

Remediation

No guide yet

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

Patch and advisory references

References (3)

Product
Source: [email protected]
https://plugins.trac.wordpress.org/browser/gtm-server-side/tags/2.1.19/templates/class-gtm-server-side-admin.php#L30
Patch
Source: [email protected]
https://plugins.trac.wordpress.org/changeset/3158847/gtm-server-side/tags/2.1.20/templates/class-gtm-server-side-admin.php
Third Party Advisory
Source: [email protected]
https://www.wordfence.com/threat-intel/vulnerabilities/id/28f77d5a-fc17-4e17-85b9-4e6f66dbf2c7?source=cve

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.1MEDIUMWordfence
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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