CVE-2018-18678
MEDIUMCVSS 6.1/10EPSS 1.13%
Last modified
CVE-2018-18678 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. GNUBOARD5 before 5.3.2.0 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "board group extra contents" parameter, aka the adm/boardgroup_form_update.php gr_1~10 parameter.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.
Description
GNUBOARD5 before 5.3.2.0 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "board group extra contents" parameter, aka the adm/boardgroup_form_update.php gr_1~10 parameter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sir | Gnuboard | < 5.3.2.0 |
References
- https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172Patch, Release Notes, Third Party Advisory
- https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0Release Notes, Third Party Advisory
- https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172Patch, Release Notes, Third Party Advisory
- https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-18678?
GNUBOARD5 before 5.3.2.0 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "board group extra contents" parameter, aka the adm/boardgroup_form_update.php gr_1~10 parameter.
How severe is CVE-2018-18678?
CVE-2018-18678 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18678?
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.
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Are you affected by CVE-2018-18678?
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Scan your code nowSource: NVD / NIST