Detections
Analytics

SCA: security update for flarum/nicknames (GHSA-3c4m-j3g4-hh25)

medium Tenable Self-Hosted Container Security Plugin ID 438555

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Flarum is open-source forum software. When the flarum/nicknames extension is enabled, a registered user
 can set their nickname to a string that email clients interpret as a hyperlink. The nickname is inserted
 verbatim into plain-text notification emails, and recipients may be misled into visiting attacker-
 controlled domains. (CVE-2026-30913)

Solution

Update the flarum/nicknames library and its related packages to version 1.8.3 or later.

See Also

https://github.com/advisories/GHSA-3c4m-j3g4-hh25

Plugin Details

Severity: Medium

ID: 438555

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 3/10/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.71

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

CVSS Score Source: CVE-2026-30913

CVSS v3

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 4

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2026

Vulnerability Publication Date: 3/9/2026

Reference Information

CVE: CVE-2026-30913

cwe: CWE-79