MaxSite CMS up to 109.3 down_count Plugin f_file/f_prefix cross site scripting

Summaryinfo

A vulnerability was found in MaxSite CMS up to 109.3 and classified as problematic. This issue affects some unknown processing of the component down_count Plugin. Such manipulation of the argument f_file/f_prefix leads to cross site scripting. This vulnerability is traded as CVE-2026-7014. The attack may be launched remotely. Furthermore, there is an exploit available. It is suggested to upgrade the affected component. The vendor was informed early about this issue. They classify it as a "Self-XSS". They deployed a countermeasure: "Nevertheless, we consider this a violation of secure coding standards. The lack of filtering via `htmlspecialchars()` has already been fixed in the latest patch to prevent incorrect data display."

Detailsinfo

A vulnerability was found in MaxSite CMS up to 109.3. It has been rated as problematic. Affected by this issue is an unknown code of the component down_count Plugin. The manipulation of the argument f_file/f_prefix with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-7014. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are needed for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was informed early about this issue. They classify it as a "Self-XSS". They deployed a countermeasure: "Nevertheless, we consider this a violation of secure coding standards. The lack of filtering via `htmlspecialchars()` has already been fixed in the latest patch to prevent incorrect data display."

Upgrading to version 109.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.4
VulDB Temp Score: 2.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CMS 109.4
Patch: 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7

Timelineinfo

04/25/2026 Advisory disclosed
04/25/2026 +0 days VulDB entry created
04/25/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-7014 (🔒)
GCVE (CVE): GCVE-0-2026-7014
GCVE (VulDB): GCVE-100-359594
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/25/2026 12:19
Changes: 04/25/2026 12:19 (62)
Complete: 🔍
Submitter: konchan
Cache ID: 216::103

Submitinfo

Accepted

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