VDB-403148 · Submit #912549 · CVE-2026-90563

maliangnansheng bbs-springboot 3.0.0 ArticleController.java utils.toToc 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.
3.4	$0-$5k	0.35

Summaryinfo

A vulnerability was found in maliangnansheng bbs-springboot 3.0.0 and classified as problematic. This impacts the function utils.toToc of the file ArticleController.java. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-90563. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in maliangnansheng bbs-springboot 3.0.0. Affected by this issue is the function utils.toToc of the file ArticleController.java. 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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-90563. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-77032). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

maliangnansheng

Name

bbs-springboot

Version

3.0.0

Website

Product: https://github.com/maliangnansheng/bbs-springboot/

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: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.5
CNA Vector: 🔒

CVSSv2info

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

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

EPSS Score: 🔒
EPSS Percentile: 🔒

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: 🔒

Timelineinfo

09/12/2026 Advisory disclosed
09/12/2026 +0 days VulDB entry created
09/19/2026 +7 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-90563 (🔒)
GCVE (CVE): GCVE-0-2026-90563
GCVE (VulDB): GCVE-100-403148
EUVD: 🔒

Entryinfo

Created: 09/12/2026 17:50
Updated: 09/19/2026 12:15
Changes: 09/12/2026 17:50 (53), 09/13/2026 19:16 (1), 09/19/2026 12:15 (29)
Complete: 🔍
Submitter: JunRoinxxX
Cache ID: 216::103

Submitinfo

Accepted

Submit #912549: maliangnansheng NansBBS 3.0.0 Cross Site Scripting (by JunRoinxxX)