TI-2020-13510 Aliases CVE-2020-19002 GHSA-fpv7-hx6r-9vcx

Cross Site Scripting (XSS) in Mezzanine v4.3.1 allows remote attackers to execute…

LOW 29CWE-79Published 2021-08-27 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
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 and GitHub. Impact type from CWE-79.

Summary

Cross Site Scripting (XSS) in Mezzanine v4.3.1 allows remote attackers to execute arbitrary code via the 'Description' field of the component 'admin/blog/blogpost/add/'. This issue is different than CVE-2018-16632.

Why it matters now

EPSS 0.01124 66th 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
—	Mezzanine (PyPI)	up to 6.0.0	—	No fix listed	GHSA-fpv7-hx6r-9vcx

— Vendor— Affected all versions Fixed in — No fix listed CNA
Mezzanine (PyPI) Vendor— Affected up to 6.0.0 Fixed in — No fix listed GHSA-fpv7-hx6r-9vcx

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jupo:mezzanine:4.3.1:::::::*	4.3.1	Vulnerable	jupo

cpe:2.3:a:jupo:mezzanine:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·jupo

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-19002
2026-10-03 Alias added: GHSA-fpv7-hx6r-9vcx

References

Exploit 1

https://github.com/stephenmcd/mezzanine/issues/1921

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2020-19002

Other 3

TI-2025-32143 A cross-site scripting (XSS) vulnerability in the component /blog/blogpost/add of… CVSS 3.1MEDIUM 4.8
TI-2025-05462 Stored Cross-Site Scripting (XSS) in Mezzanine CMS Admin Interface CVSS 4.0MEDIUM 4.8
TI-2024-16615 An issue in Mezzanine v6.0.0 allows attackers to bypass access controls via manipulating the Host header. CVSS 3.1CRITICAL 9.1
TI-2024-16614 An issue in Mezzanine v6.0.0 allows attackers to bypass access control mechanisms in the… CVSS 3.1CRITICAL 9.8
TI-2025-21139 Cross-Site Scripting (XSS) vulnerability exists in Mezzanine CMS 6.0.0 in the "View… CVSS 3.1MEDIUM 6.1
TI-2018-11919 Mezzanine CMS v4.3.1 allows XSS via the… CVSS 3.0MEDIUM 4.8

Sources

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