VDB-377680 · CVE-2026-13231 · GCVE-0-2026-13231

Drupal Advanced Content Feedback up to 2.7.x 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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.1	$0-$5k	1.15

Summaryinfo

A vulnerability, which was classified as problematic, was found in Drupal Advanced Content Feedback up to 2.7.x. The affected element is an unknown function of the component Feedback. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2026-13231. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Drupal Advanced Content Feedback up to 2.7.x and classified as problematic. This vulnerability affects some unknown functionality of the component Feedback. The manipulation with an unknown input leads to a cross site scripting vulnerability. 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. CVE summarizes:

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Advanced Content Feedback (aka admin_feedback) allows Stored XSS. This issue affects Advanced Content Feedback (aka admin_feedback) versions: from 0.0.0 to 2.8.0.

The advisory is shared for download at drupal.org. This vulnerability was named CVE-2026-13231 since 06/24/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.8.0 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Feedback Software

Vendor

Drupal

Name

Advanced Content Feedback

Version

License

open-source

Website

Vendor: https://www.drupal.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: Advanced Content Feedback 2.8.0

Timelineinfo

06/24/2026 CVE reserved
07/10/2026 +16 days VulDB entry created
07/11/2026 +0 days Advisory disclosed
07/11/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: drupal.org

Advisory: drupal.org
Status: Confirmed

CVE: CVE-2026-13231 (🔒)
GCVE (CVE): GCVE-0-2026-13231
GCVE (VulDB): GCVE-100-377680

Entryinfo

Created: 07/11/2026 01:15
Changes: 07/11/2026 01:15 (54)
Complete: 🔍
Cache ID: 216::103