givanz Vvveb up to 1.0.5 Add Type post-types cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability was found in givanz Vvveb up to 1.0.5. It has been rated as problematic. Affected is an unknown function of the file /vadmin123/index.php?module=settings/post-types of the component Add Type Handler. The manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2025-8521. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in givanz Vvveb up to 1.0.5. This issue affects an unknown function of the file /vadmin123/index.php?module=settings/post-types of the component Add Type Handler. The manipulation 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.

It is possible to read the advisory at hkohi.ca. The identification of this vulnerability is CVE-2025-8521. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The exploit is available at hkohi.ca. It is declared as proof-of-concept.

Upgrading to version 1.0.6 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch b53c7161da606f512b7efcb392d6ffc708688d49/605a70f8729e4d44ebe272671cb1e43e3d6ae014 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.3

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

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 2.4
CNA Vector: 🔒

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: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

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: Vvveb 1.0.6
Patch: b53c7161da606f512b7efcb392d6ffc708688d49/605a70f8729e4d44ebe272671cb1e43e3d6ae014

Timelineinfo

08/04/2025 Advisory disclosed
08/04/2025 +0 days VulDB entry created
08/27/2025 +23 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: hkohi.ca
Status: Confirmed

CVE: CVE-2025-8521 (🔒)
GCVE (CVE): GCVE-0-2025-8521
GCVE (VulDB): GCVE-100-318647
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/04/2025 08:32
Updated: 08/27/2025 22:11
Changes: 08/04/2025 08:32 (60), 08/05/2025 07:29 (30), 08/06/2025 05:01 (1), 08/27/2025 22:11 (11)
Complete: 🔍
Submitter: 0xHamy
Cache ID: 216::103

Submitinfo

Accepted

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