LayerBB up to 1.1.2 admin/new_user.php cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in LayerBB up to 1.1.2. It has been classified as problematic. This impacts an unknown function of the file admin/new_user.php. This manipulation causes cross-site request forgery. The identification of this vulnerability is CVE-2018-17996. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in LayerBB up to 1.1.2 and classified as problematic. Affected by this vulnerability is an unknown code block of the file admin/new_user.php. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. The summary by CVE is:

LayerBB before 1.1.3 allows CSRF for adding a user via admin/new_user.php, deleting a user via admin/members.php/delete_user/, and deleting content via mod/delete.php/.

The bug was discovered 10/04/2018. The weakness was shared 03/21/2019 as EDB-ID 46379 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2018-17996 since 10/05/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 168 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:admin/new_user.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.1.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46379). The entry VDB-131900 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: LayerBB 1.1.3

Timelineinfo

10/04/2018 🔍
10/05/2018 +1 days 🔍
03/21/2019 +167 days 🔍
03/21/2019 +0 days 🔍
03/21/2019 +0 days 🔍
03/22/2019 +1 days 🔍
07/09/2025 +2301 days 🔍

Sourcesinfo

Advisory: EDB-ID 46379
Status: Confirmed

CVE: CVE-2018-17996 (🔍)
GCVE (CVE): GCVE-0-2018-17996
GCVE (VulDB): GCVE-100-131899
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/22/2019 07:05
Updated: 07/09/2025 20:58
Changes: 03/22/2019 07:05 (65), 05/17/2020 17:55 (1), 07/09/2025 20:58 (19)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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