CVE-2021-24534: The PhoneTrack Meu Site Manager WordPress plugin through 0.1 does not sanitise or escape its "php_id" setting

Q: How do I fix CVE-2021-24534?

phonetrack meu site manager: upgrade to newer than 0.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-24534 being exploited?

CVE-2021-24534 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-2021-24534 affect?

CVE-2021-24534 affects phonetrack meu site manager. Severity is medium (CVSS 5.4). The PhoneTrack Meu Site Manager WordPress plugin through 0.1 does not sanitise or escape its "php_id" setting before outputting it back in an attribute in the page, leading to a stored Cross-Site Scripting issue.

Q: How urgent is CVE-2021-24534?

Priority 36/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2021-24534 is a medium-severity flaw (CVSS 5.4) affecting phonetrack meu site manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The PhoneTrack Meu Site Manager WordPress plugin through 0.1 does not sanitise or escape its "php_id" setting before outputting it back in an attribute in the page, leading to a stored Cross-Site Scripting issue.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-08-16
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: phonetrack

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

Am I affected?

Timeline

2021-08-16 11:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

phonetrack phonetrack meu site manager UPGRADE

Affected: <= 0.1

Fixed in: newer than 0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy phonetrack-meu-site-manager || rpm -q phonetrack-meu-site-manager || phonetrack-meu-site-manager --version

2. UPGRADE to newer than 0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phonetrack-meu-site-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phonetrack-meu-site-manager

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-2021-24534?

phonetrack meu site manager: upgrade to newer than 0.1. Exact commands for each OS are on this page.

Is CVE-2021-24534 being exploited?

CVE-2021-24534 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-2021-24534 affect?

CVE-2021-24534 affects phonetrack meu site manager. Severity is medium (CVSS 5.4). The PhoneTrack Meu Site Manager WordPress plugin through 0.1 does not sanitise or escape its "php_id" setting before outputting it back in an attribute in the page, leading to a stored Cross-Site Scripting issue.

How urgent is CVE-2021-24534?

Priority 36/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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