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TI-2021-08865 Aliases CVE-2021-27371GHSA-wp59-9grx-jh34

The Contact page in Monica 2.19.1 allows stored XSS via the Description field.

Priority LOW 25CWE-79Published · Updated

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

The Contact page in Monica 2.19.1 allows stored XSS via the Description field.

Why it matters now

EPSS 0.00592 48th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:monicahq:monica:2.19.1:*:*:*:*:*:*:*2.19.1VulnerableMonicahq
  • cpe:2.3:a:monicahq:monica:2.19.1:*:*:*:*:*:*:* Versions 2.19.1 Vulnerable ·Monicahq

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27371
  2. 2026-10-03 Alias added: GHSA-wp59-9grx-jh34

References

Exploit 2

  • TI-2026-21384 A Host Header Poisoning vulnerability exists in Monica 4.1.2 due to improper handling of… CVSS 3.1CRITICAL 9.1
  • TI-2024-36734 MonicaHQ v4.1.2 was discovered to contain multiple authenticated Client-Side Injection… CVSS 3.1HIGH 8.8
  • TI-2023-00976 Cross-site scripting in MonicaHQ CVSS 3.1HIGH 8.8
  • TI-2024-36737 MonicaHQ v4.1.2 was discovered to contain a Client-Side Injection vulnerability via the… CVSS 3.1MEDIUM 6.5
  • TI-2024-36733 MonicaHQ v4.1.2 was discovered to contain multiple Client-Side Injection vulnerabilities… CVSS 3.1MEDIUM 6.5
  • TI-2024-36736 MonicaHQ v4.1.2 was discovered to contain an authenticated Client-Side Injection… CVSS 3.1MEDIUM 5.4
See all 19 →

Sources

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