Stored XSS in Grocy
CVE-2020-15253

7.3HIGH

Key Information:

Vendor

Grocy

Status
Grocy
Vendor
CVE Published:
14 October 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-15253?

Versions of Grocy <= 2.7.1 are vulnerable to Cross-Site Scripting via the Create Shopping List module, that is rendered upon deleting that Shopping List. The issue was also found in users, batteries, chores, equipment, locations, quantity units, shopping locations, tasks, taskcategories, product groups, recipes and products. Authentication is required to exploit these issues and Grocy should not be publicly exposed. The linked reference details a proof-of-concept.

Affected Version(s)

grocy <= 2.7.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-15253 - Proof of Concept

References

https://www.exploit-db.com/exploits/48792
x_refsource_MISC
https://github.com/grocy/grocy/security/advisories/GHSA-7...
x_refsource_CONFIRM
https://github.com/grocy/grocy/issues/996
x_refsource_MISC

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.