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

CVE-2024-36624

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

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

MEDIUM · CVSS 5.4 EPSS 0.00102
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
zulipall versions
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Nov 2024 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gist.github.com/1047524396/64720d2aa5afd943eb7e5a1ed4808ad6PatchThird Party Advisory
https://github.com/zulip/zulip/blob/8.3/web/src/copy_and_paste.js#L90Product
https://github.com/zulip/zulip/commit/e1029b59ede0c4f314c367ffa1ba2904ffaf6768Patch
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