How severe is CVE-2024-36624?

CVE-2024-36624 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-2024-36624 being actively exploited?

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

What products are affected by CVE-2024-36624?

CVE-2024-36624 affects Zulip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-36624?

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

Does CVE-2024-36624 have an EU (EUVD) identifier?

Yes. CVE-2024-36624 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36346.

When was CVE-2024-36624 published?

CVE-2024-36624 was published on 2024-11-29 and last updated on 2026-06-17.

CVE-2024-36624

CVE-2024-36624 is a medium-severity vulnerability in Zulip 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)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36346
Weakness: CWE-79
Affected product: Zulip
Published: 2024-11-29
Last modified: 2026-06-17

Description

Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the construct_copy_div function in copy_and_paste.js.

Frequently asked questions

What is CVE-2024-36624?: Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the construct_copy_div function in copy_and_paste.js.
How severe is CVE-2024-36624?: CVE-2024-36624 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-2024-36624 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-36624?: CVE-2024-36624 affects Zulip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-36624?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-36624 have an EU (EUVD) identifier?: Yes. CVE-2024-36624 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36346.
When was CVE-2024-36624 published?: CVE-2024-36624 was published on 2024-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zulip:zulip:8.3:*:*:*:*:*:*:*

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