CVE-2018-12587 — MEDIUM (6.1)

Vulnerability Description

A cross-site scripting (XSS) vulnerability was found in valeuraddons German Spelling Dictionary v1.3 (an Opera Browser add-on). Instead of providing text for a spelling check, remote attackers may inject arbitrary web script or HTML via the ajax query parameter in the URL Address Bar.

CVSS Score

6.1

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
German Spelling Dictionary Project	German Spelling Dictionary	1.3

Related Weaknesses (CWE)

CWE-79

References

https://metamorfosec.com/Files/Advisories/METS-2018-003-A_XSS_Vulnerability_in_GThird Party Advisory
https://www.openbugbounty.org/reports/610381/Third Party Advisory
https://metamorfosec.com/Files/Advisories/METS-2018-003-A_XSS_Vulnerability_in_GThird Party Advisory
https://www.openbugbounty.org/reports/610381/Third Party Advisory

FAQ

What is CVE-2018-12587?

CVE-2018-12587 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A cross-site scripting (XSS) vulnerability was found in valeuraddons German Spelling Dictionary v1.3 (an Opera Browser add-on). Instead of providing text for a spelling check, remote attackers may inj...

How severe is CVE-2018-12587?

CVE-2018-12587 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-12587?

Check the references section above for vendor advisories and patch information. Affected products include: German Spelling Dictionary Project German Spelling Dictionary.