CVE-2021-42838
MEDIUMCVSS 6.1/10EPSS 0.61%
Last modified
CVE-2021-42838 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
Description
Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vice | Webopac | 1.8.20160701 |
| Vice | Webopac | 7.1.20160701 |
References
- https://www.twcert.org.tw/tw/cp-132-5286-b92c8-1.htmlThird Party Advisory
- https://www.twcert.org.tw/tw/cp-132-5286-b92c8-1.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42838?
Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks.
How severe is CVE-2021-42838?
CVE-2021-42838 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42838?
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-2021-42838?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST