CVE-2024-8712: The GTM Server Side plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add

Q: How do I fix CVE-2024-8712?

gtm server side: upgrade to 2.1.20. Exact commands for each OS are on this page.

Q: Is CVE-2024-8712 being exploited?

CVE-2024-8712 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-8712 affect?

CVE-2024-8712 affects gtm server side. Severity is medium (CVSS 6.1). 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 unauth

Q: How urgent is CVE-2024-8712?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2024-8712 is a medium-severity flaw (CVSS 6.1) affecting gtm server side. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-09-28
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: stape

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-28 09:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

stape gtm server side UPGRADE

Affected: < 2.1.20

Fixed in: 2.1.20

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gtm-server-side || rpm -q gtm-server-side || gtm-server-side --version

2. UPGRADE to 2.1.20 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gtm-server-side

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gtm-server-side

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-8712?

gtm server side: upgrade to 2.1.20. Exact commands for each OS are on this page.

Is CVE-2024-8712 being exploited?

CVE-2024-8712 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-8712 affect?

CVE-2024-8712 affects gtm server side. Severity is medium (CVSS 6.1). 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 unauth

How urgent is CVE-2024-8712?

Priority 30/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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