Vulnerability · Published Jun 3, 2020 · Assigned by GitHub_M

CVE-2020-5298Reflected XSS when importing CSV in OctoberCMS

Medium 4.0

In plain English

A medium-severity security flaw in october from octobercms. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.0Medium

Exploit odds (30 days)0.9%top 39.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, a user with the ability to use the import functionality of the `ImportExportController` behavior can be socially engineered by an attacker to upload a maliciously crafted CSV file which could result in a reflected XSS attack on the user in question Issue has been patched in Build 466 (v1.0.466).

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	october/backend	1.0.466	GHSA-gg6x-xx78-448c

Affected products (as reported)

Vendor	Product	Versions
octobercms	october	>= 1.0.319, < 1.0.466

Weakness: CWE-87 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N

References

https://github.com/octobercms/october/security/advisories/GHSA-gg6x-xx78-448c x_refsource_CONFIRM
https://github.com/octobercms/october/commit/cd0b6a791f995d86071a024464c1702efc50f46c x_refsource_MISC
http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html x_refsource_MISC
20200804 October CMS <= Build 465 Multiple Vulnerabilities - Arbitrary File Read mailing-list, x_refsource_FULLDISC