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CVE-2025-30345 Detail

Description

An issue was discovered in OpenSlides before 4.2.5. When creating new chats via the chat_group.create action, the user is able to specify the name of the chat. Some HTML elements such as SCRIPT are filtered, whereas others are not. In most cases, HTML entities are encoded properly, but not when deleting chats or deleting messages in these chats. This potentially allows attackers to interfere with the layout of the rendered website, but it is unlikely that victims would click on deleted chats or deleted messages.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  MITRE
Base Score:  3.5 LOW
Vector:  CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides

Weakness Enumeration

CWE-ID CWE Name Source
CWE-116 Improper Encoding or Escaping of Output MITRE  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-30345
NVD Published Date:
03/21/2025
NVD Last Modified:
03/21/2025
Source:
MITRE