CVE-2021-25040
MEDIUMCVSS 6.1/10EPSS 0.80%
Last modified
CVE-2021-25040 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Booking Calendar WordPress plugin before 8.9.2 does not sanitise and escape the booking_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting. EPSS estimates a 0.80% chance of exploitation in the next 30 days.
Description
The Booking Calendar WordPress plugin before 8.9.2 does not sanitise and escape the booking_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting
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 |
|---|---|---|
| Booking Calendar Project | Booking Calendar | < 8.9.2 |
References
- https://wpscan.com/vulnerability/3ed821a6-c3e2-4964-86f8-d14c4a54708aExploit, Third Party Advisory
- https://wpscan.com/vulnerability/3ed821a6-c3e2-4964-86f8-d14c4a54708aExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-25040?
The Booking Calendar WordPress plugin before 8.9.2 does not sanitise and escape the booking_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting
How severe is CVE-2021-25040?
CVE-2021-25040 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25040?
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-2021-25040?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST