CVE-2021-3904
MEDIUMCVSS 5.4/10EPSS 0.57%
Last modified
CVE-2021-3904 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. grav is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
grav is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Getgrav | Grav | < 1.7.24 |
References
- https://github.com/getgrav/grav/commit/afc69a3229bb6fe120b2c1ea27bc6f196ed7284dPatch, Third Party Advisory
- https://huntr.dev/bounties/b1182515-d911-4da9-b4f7-b4c341a62a8dExploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/getgrav/grav/commit/afc69a3229bb6fe120b2c1ea27bc6f196ed7284dPatch, Third Party Advisory
- https://huntr.dev/bounties/b1182515-d911-4da9-b4f7-b4c341a62a8dExploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3904?
grav is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
How severe is CVE-2021-3904?
CVE-2021-3904 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3904?
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 2021
- CVE-2021-39032IBM Sterling Gentran:Server for Microsoft Windows 5.3 stores…5.5
- CVE-2021-39033IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through…6.5
- CVE-2021-39034IBM MQ 9.1 LTS is vulnerable to a denial of service attack c…7.5
- CVE-2021-39035IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through…5.4
- CVE-2021-39036IBM Cognos Analytics 11.1 and 11.2 is vulnerable to cross-si…6.1
- CVE-2021-39038IBM WebSphere Application Server 9.0 and IBM WebSphere Appli…5.4
- CVE-2021-39040IBM Planning Analytics Workspace 2.0 could be vulnerable to …8
- CVE-2021-39041IBM QRadar SIEM 7.3, 7.4, and 7.5 may be vulnerable to parti…5.3
- CVE-2021-39043IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 i…5.4
- CVE-2021-39044IBM Financial Transaction Manager 3.2.4 is vulnerable to cro…8.8
- CVE-2021-39045IBM Cognos Analytics 11.1.7, 11.2.0, and 11.2.1 could allow …5.5
- CVE-2021-39046IBM Business Automation Workflow 18.0, 19.0, 20.0, and 21.0 …4.9
Are you affected by CVE-2021-3904?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST