TI-2020-14484 Aliases CVE-2020-23205 GHSA-62mr-22qr-vwm9

A stored cross site scripting (XSS) vulnerability in Monstra CMS version 3.0.4 allows…

LOW 25CWE-79Published 2021-07-01 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A stored cross site scripting (XSS) vulnerability in Monstra CMS version 3.0.4 allows attackers to execute arbitrary web scripts or HTML via crafted a payload entered into the "Site Name" field under the "Site Settings" module.

Why it matters now

EPSS 0.00531 45th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:monstra:monstra_cms:3.0.4:::::::*	3.0.4	Vulnerable	Monstra

cpe:2.3:a:monstra:monstra_cms:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·Monstra

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-23205
2026-10-03 Alias added: GHSA-62mr-22qr-vwm9

References

Exploit 1

https://github.com/monstra-cms/monstra/issues/465

TI-2025-42952 Monstra CMS v3.0.4 contains an arbitrary file upload vulnerability in the Files Manager… CVSS 3.1HIGH 8.8
TI-2020-10951 Monstra CMS 3.0.4 allows an attacker, who already has administrative access to modify… CVSS 3.1HIGH 7.2
TI-2018-08345 plugins/box/users/users.plugin.php in Monstra CMS 3.0.4 allows Login Rate Limiting Bypass… CVSS 3.0CRITICAL 9.8
TI-2020-14490 Monstra CMS 3.0.4 allows attackers to execute arbitrary code via a crafted payload… CVSS 3.1HIGH 8.8
TI-2018-07989 Monstra CMS 3.0.4 and earlier has XSS via index.php. CVSS 3.0MEDIUM 6.1
TI-2020-13908 An issue in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML… CVSS 3.1MEDIUM 6.5

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences