phpMyFAQ up to 2.9.8 HTML Attachment Stored cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in phpMyFAQ up to 2.9.8. It has been rated as problematic. This affects an unknown function. This manipulation as part of HTML Attachment causes cross site scripting (Stored). This vulnerability is registered as CVE-2017-15727. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in phpMyFAQ up to 2.9.8 (Content Management System). Affected by this vulnerability is an unknown function. The manipulation as part of a HTML Attachment leads to a cross site scripting vulnerability (Stored). The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

In phpMyFAQ before 2.9.9, there is Stored Cross-site Scripting (XSS) via an HTML attachment.

The bug was discovered 10/02/2017. The weakness was published 10/22/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2017-15727 since 10/21/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.9.9 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43063). Similar entries are available at VDB-108329, VDB-108328, VDB-108327 and VDB-108326. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Stored
Class: Cross site scripting / Stored
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 801936
OpenVAS Name: phpMyFAQ Multiple XSS And CSRF Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: phpMyFAQ 2.9.9
Patch: github.com

Timelineinfo

10/02/2017 🔍
10/21/2017 +19 days 🔍
10/22/2017 +1 days 🔍
10/22/2017 +0 days 🔍
10/23/2017 +1 days 🔍
10/30/2025 +2929 days 🔍

Sourcesinfo

Advisory: 5c3e4f96ff0ef6b91a3f0aa64eb28197c5cf5435
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-15727 (🔍)
GCVE (CVE): GCVE-0-2017-15727
GCVE (VulDB): GCVE-100-108325
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/23/2017 09:08
Updated: 10/30/2025 08:37
Changes: 10/23/2017 09:08 (65), 11/28/2019 15:27 (4), 01/19/2021 13:08 (2), 01/04/2023 10:18 (4), 10/30/2025 08:37 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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