ElkArte Forum ElkArte - Cross-Site Scripting

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72553
StatePUBLISHED
AssignerTuranSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-11 12:17:40 UTC
Updated2026-08-11 16:17:35 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

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

EPSS: 0.001620000 probability, percentile 0.058230000 (date 2026-08-12)

Problem Types: CWE-79 | CWE-79 CWE-79: Cross-site Scripting

VersionSourceTypeScoreSeverityVector
3.1309f9ea4-e3e9-4c6c-b79d-e8eb01244f2cSecondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1CNACVSS5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ElkArte Forum ElkArte affected 2.0 Beta 1 custom Not specified

References

ReferenceSourceLinkTags
github.com/elkarte/Elkarte 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Bobur Abdugafforov (en)

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