VDB-309121 · CVE-2025-48051 · GHSA-9xhx-p3c5-p4v6

Lichess Lila powertip.ts 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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Lichess Lila. Affected is an unknown function of the file powertip.ts. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2025-48051. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Lichess Lila (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file powertip.ts. 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. The summary by CVE is:

powertip.ts in Lila (for Lichess) before ab0beaf allows XSS in some applications because of an innerHTML usage pattern in which text is extracted from a DOM node and interpreted as HTML.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-48051 since 05/15/2025. The exploitation appears to be difficult. 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 are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Applying the patch ab0beaf0ad671761705d9274663c5dc450608527 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-15174). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Lichess

Name

Lila

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 4.7
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ab0beaf0ad671761705d9274663c5dc450608527

Timelineinfo

05/15/2025 🔍
05/15/2025 +0 days 🔍
05/15/2025 +0 days 🔍
06/12/2025 +28 days 🔍

Sourcesinfo

Advisory: GHSA-9xhx-p3c5-p4v6
Status: Confirmed

CVE: CVE-2025-48051 (🔍)
GCVE (CVE): GCVE-0-2025-48051
GCVE (VulDB): GCVE-100-309121
EUVD: 🔍

Entryinfo

Created: 05/15/2025 21:09
Updated: 06/12/2025 15:44
Changes: 05/15/2025 21:09 (65), 05/15/2025 21:25 (1), 06/12/2025 15:44 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.