CVE-2017-18882
MEDIUMCVSS 6.1/10EPSS 0.69%
Last modified
CVE-2017-18882 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS can occur via OpenGraph data.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.
Description
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS can occur via OpenGraph data.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Mattermost | Mattermost Server | < 4.1.2 | — |
| Mattermost | Mattermost Server | >= 4.2.0, < 4.2.1 | — |
| Mattermost | Mattermost Server | 4.3.0 | Rc1 |
References
- https://mattermost.com/security-updates/Vendor Advisory
- https://mattermost.com/security-updates/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-18882?
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS can occur via OpenGraph data.
How severe is CVE-2017-18882?
CVE-2017-18882 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18882?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2017
- CVE-2017-18877An issue was discovered in Mattermost Server before 4.3.0, 4…6.1
- CVE-2017-18878An issue was discovered in Mattermost Server before 4.3.0, 4…4.3
- CVE-2017-18879An issue was discovered in Mattermost Server before 4.3.0, 4…6.1
- CVE-2017-1888Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2017-18880An issue was discovered in Mattermost Server before 4.3.0, 4…6.1
- CVE-2017-18881An issue was discovered in Mattermost Server before 4.3.0, 4…6.1
- CVE-2017-18883An issue was discovered in Mattermost Server before 4.3.0, 4…9.1
- CVE-2017-18884An issue was discovered in Mattermost Server before 4.3.0, 4…8.1
- CVE-2017-18885An issue was discovered in Mattermost Server before 4.3.0, 4…9.8
- CVE-2017-18886An issue was discovered in Mattermost Server before 4.3.0, 4…8.8
- CVE-2017-18887An issue was discovered in Mattermost Server before 4.3.0, 4…5.3
- CVE-2017-18888An issue was discovered in Mattermost Server before 4.3.0, 4…9.8
Are you affected by CVE-2017-18882?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST