VDB-213540 · CVE-2022-3963 · GCVE-100-213540

gnuboard5 5.3.1.6/5.3.1.9/5.3.2.0 FAQ Key ID bbs/faq.php fm_id 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	0.00

Summaryinfo

A vulnerability described as problematic has been identified in gnuboard5. This affects an unknown function of the file bbs/faq.php of the component FAQ Key ID Handler. The manipulation of the argument fm_id results in cross site scripting. This vulnerability is known as CVE-2022-3963. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in gnuboard5 (Forum Software). It has been classified as problematic. Affected is an unknown code block of the file bbs/faq.php of the component FAQ Key ID Handler. The manipulation of the argument fm_id with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.

The weakness was published 11/12/2022 as ba062ca5b62809106d5a2f7df942ffcb44ecb5a9. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2022-3963. 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.

By approaching the search of inurl:bbs/faq.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 5.5.8.2.1 eliminates this vulnerability. Applying the patch ba062ca5b62809106d5a2f7df942ffcb44ecb5a9 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Forum Software

Name

gnuboard5

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

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
Google Hack: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: gnuboard5 5.5.8.2.1
Patch: ba062ca5b62809106d5a2f7df942ffcb44ecb5a9

Timelineinfo

11/12/2022 🔍
11/12/2022 +0 days 🔍
11/12/2022 +0 days 🔍
04/28/2025 +898 days 🔍

Sourcesinfo

Advisory: ba062ca5b62809106d5a2f7df942ffcb44ecb5a9
Status: Confirmed

CVE: CVE-2022-3963 (🔍)
GCVE (CVE): GCVE-0-2022-3963
GCVE (VulDB): GCVE-100-213540

Entryinfo

Created: 11/12/2022 17:20
Updated: 04/28/2025 17:23
Changes: 11/12/2022 17:20 (43), 12/17/2022 13:54 (3), 12/17/2022 14:00 (21), 09/19/2024 14:19 (16), 04/28/2025 17:23 (3)
Complete: 🔍
Cache ID: 216::103