CVE-2021-24534Public exploitNetwork attack vector

Stored XSS via unescaped php_id attribute output

Published Aug 16, 2021 · Updated Aug 3, 2024

Stored XSS in PhoneTrack Meu Site Manager 0.1 allows remote authenticated users to execute script in visitors' browsers. The plugin writes the php_id setting into an HTML attribute without sanitization or context-appropriate escaping. An attacker must be able to change the setting, and the script runs when a visitor loads the affected page in the site's origin.

CVSS severity5.4
Medium
EPSS probability0.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in PhoneTrack Meu Site Manager 0.1 allows remote authenticated users to execute script in visitors' browsers. The plugin writes the php_id setting into an HTML attribute without sanitization or context-appropriate escaping. An attacker must be able to change the setting, and the script runs when a visitor loads the affected page in the site's origin.

The record

CVE
CVE-2021-24534
Published
Aug 16, 2021
Updated
Aug 3, 2024
Vendor
PhoneTrack
Product
PhoneTrack Meu Site Manager
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 16, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0.1 <=0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PhoneTrack · PhoneTrack Meu Site Managerversion=0.1 <=0.1

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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