CVE-2026-72553 | BDVDB-2026-357995 Detail

ElkArte ForumElkArte

Description#

A stored cross-site scripting vulnerability in ElkArte Forum 2.0 Beta 1 allows any registered member to inject persistent JavaScript into the profile fields cust_blurb and cust_locate. The fields are saved without HTML encoding and rendered unescaped in profile views visible to administrators. An attacker can craft a payload that executes in an administrator session, enabling session hijacking or privilege escalation.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

https://github.com/elkarte/Elkarte

Exploit#

No public exploit known

History#

Version 12026-08-11Record published in the CVE List.

Published

Published: 2026-08-11
Last modified: 2026-08-11

Vendor information

Vendor: ElkArte Forum
Product: ElkArte

All ElkArte Forum vulnerabilities

Score

5.4 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 13.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2.0 Beta 1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.4 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).