CVE-2016-11071
published 2020-06-19CVE-2016-11071: An issue was discovered in Mattermost Server before 3.1.0. It allows XSS because the noreferrer and noopener protection mechanisms were not in place.
PriorityP423medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.69%
48.8th percentile
An issue was discovered in Mattermost Server before 3.1.0. It allows XSS because the noreferrer and noopener protection mechanisms were not in place.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 3.1.0+incompatible | 3.1.0+incompatible |
| github.com | mattermost_mattermost-server | >= 0 < 3.1.0 | 3.1.0 |
| mattermost | mattermost_server | < 3.1.0 | 3.1.0 |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
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OSV
Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener` in github.com/mattermost/mattermost-server
osv·2025-10-30
CVE-2016-11071 Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener` in github.com/mattermost/mattermost-server
Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener` in github.com/mattermost/mattermost-server
Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener` in github.com/mattermost/mattermost-server
OSV
Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener`
osv·2022-05-24
CVE-2016-11071 [MEDIUM] Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener`
Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener`
An issue was discovered in Mattermost Server before 3.1.0. It allows XSS because the noreferrer and noopener protection mechanisms were not in place.
GHSA
Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener`
ghsa·2022-05-24
CVE-2016-11071 [MEDIUM] CWE-79 Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener`
Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener`
An issue was discovered in Mattermost Server before 3.1.0. It allows XSS because the noreferrer and noopener protection mechanisms were not in place.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-06-19
Published