CVE-2024-27300Public exploitNetwork attack vector

Stored XSS via unencoded profile email

Published Mar 25, 2024 · Updated Aug 2, 2024

Stored XSS in phpMyFAQ 3.2.5 allows remote authenticated users to execute JavaScript in another user's session via a crafted email. The user control panel accepts an email-shaped payload through FILTER_VALIDATE_EMAIL, stores it, and renders it in ucp.php and admin/user.php without HTML-entity encoding. Any account can plant the payload, but another user must open the affected profile or user-list view; the script then runs with that viewer's session privileges.

CVSS severity5.5
Medium
EPSS probability0.69%
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 phpMyFAQ 3.2.5 allows remote authenticated users to execute JavaScript in another user's session via a crafted email. The user control panel accepts an email-shaped payload through FILTER_VALIDATE_EMAIL, stores it, and renders it in ucp.php and admin/user.php without HTML-entity encoding. Any account can plant the payload, but another user must open the affected profile or user-list view; the script then runs with that viewer's session privileges.

The record

CVE
CVE-2024-27300
Published
Mar 25, 2024
Updated
Aug 2, 2024
Vendor
Thorsten Rinne
Product
phpMyFAQ
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 25, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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 <3.2.6
  2. Affected versionversion=3.2.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Thorsten Rinne · phpMyFAQversion=0 <3.2.6; version=3.2.5

Published CVSS scores

5.4NISTCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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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