How severe is CVE-2024-22635?

CVE-2024-22635 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-22635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22635?

CVE-2024-22635 affects Webcalendar Project Webcalendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-22635?

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

Does CVE-2024-22635 have an EU (EUVD) identifier?

Yes. CVE-2024-22635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20169.

When was CVE-2024-22635 published?

CVE-2024-22635 was published on 2024-01-25 and last updated on 2026-06-17.

CVE-2024-22635

CVE-2024-22635 is a medium-severity vulnerability in Webcalendar Project Webcalendar with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20169
Weakness: CWE-79
Affected product: Webcalendar Project Webcalendar
Published: 2024-01-25
Last modified: 2026-06-17

Description

WebCalendar v1.3.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the component /WebCalendarvqsmnseug2/edit_entry.php.

Frequently asked questions

What is CVE-2024-22635?: WebCalendar v1.3.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the component /WebCalendarvqsmnseug2/edit_entry.php.
How severe is CVE-2024-22635?: CVE-2024-22635 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-22635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22635?: CVE-2024-22635 affects Webcalendar Project Webcalendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-22635?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-22635 have an EU (EUVD) identifier?: Yes. CVE-2024-22635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20169.
When was CVE-2024-22635 published?: CVE-2024-22635 was published on 2024-01-25 and last updated on 2026-06-17.

References

https://packetstormsecurity.com/files/176365/WebCalendar-1.3.0-Cross-Site-Scripting.html

Affected products (1)

cpe:2.3:a:webcalendar_project:webcalendar:1.3.0:-:*:*:*:*:*:*

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CVE-2017-10840 — Medium (CVSS 6.1): Cross-site scripting vulnerability in WebCalendar 1.2.7 and earlier allows an attacker to inject arbitrary web script…
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