How severe is CVE-2021-37330?

CVE-2021-37330 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-37330 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37330?

CVE-2021-37330 affects Bookingcore Booking Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37330?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-37330 published?

CVE-2021-37330 was published on 2021-10-04 and last updated on 2026-06-17.

CVE-2021-37330

CVE-2021-37330 is a medium-severity vulnerability in Bookingcore Booking Core with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bookingcore Booking Core
Published: 2021-10-04
Last modified: 2026-06-17

Description

Laravel Booking System Booking Core 2.0 is vulnerable to Cross Site Scripting (XSS). The Avatar upload in the My Profile section could be exploited to upload a malicious SVG file which contains Javascript. Now if another user/admin views the profile and clicks to view his avatar, an XSS will trigger.

Frequently asked questions

What is CVE-2021-37330?: Laravel Booking System Booking Core 2.0 is vulnerable to Cross Site Scripting (XSS). The Avatar upload in the My Profile section could be exploited to upload a malicious SVG file which contains Javascript. Now if another user/admin views the profile and clicks to view his avatar, an XSS will trigger.
How severe is CVE-2021-37330?: CVE-2021-37330 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-37330 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37330?: CVE-2021-37330 affects Bookingcore Booking Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37330?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37330 published?: CVE-2021-37330 was published on 2021-10-04 and last updated on 2026-06-17.

References

https://www.navidkagalwalla.com/booking-core-vulnerabilities

Affected products (1)

cpe:2.3:a:bookingcore:booking_core:2.0:*:*:*:*:*:*:*

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