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zulip

Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the replace_emoji_with_text function in ui_util.ts.

CVE-2024-36625 identifies a Cross Site Scripting (XSS) vulnerability in Zulip version 8.3, specifically within the replace_emoji_with_text function located in the ui_util.ts source file. This function is responsible for replacing emoji characters with their textual equivalents in the user interface. The vulnerability arises because the function does not properly sanitize or encode user-supplied input before rendering it in the browser context, allowing malicious scripts to be injected and executed. The flaw is categorized under CWE-79, which covers improper neutralization of input during web page generation. The CVSS 3.1 base score is 6.1, indicating a medium severity level. The vector string (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) reveals that the attack can be launched remotely over the network with low attack complexity, requires low privileges (authenticated user), and user interaction (clicking a malicious link or content). The scope is changed (S:C), meaning the vulnerability affects components beyond the initially vulnerable component, impacting confidentiality and integrity but not availability. No known exploits have been reported in the wild, and no official patches have been linked yet, suggesting that the vulnerability is newly disclosed. Zulip is a widely used open-source team chat platform, so the vulnerability could impact many organizations relying on it for internal communication.

Detailed information about CVE-2024-36625: n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2024-36625: n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-36625: n/a

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

CVE-2024-36624 identifies a Cross Site Scripting (XSS) vulnerability in Zulip version 8.3, specifically within the construct_copy_div function located in the copy_and_paste.js script. This vulnerability arises due to improper sanitization or escaping of user-supplied input that is processed by this function, allowing an attacker to inject malicious JavaScript code. When a victim interacts with the affected functionality, the injected script executes in their browser context, potentially leading to unauthorized actions such as session hijacking, credential theft, or manipulation of displayed content. The vulnerability requires an attacker to have low privileges (PR:L) and necessitates user interaction (UI:R), such as clicking or pasting content, to trigger the exploit. The CVSS v3.1 base score is 6.1, reflecting a medium severity level, with attack vector being network (AV:N), low attack complexity (AC:L), partial confidentiality and integrity impact (C:L/I:L), no availability impact (A:N), and scope changed (S:C), indicating that the vulnerability affects components beyond the initially vulnerable component. No patches or known exploits are currently available, but the vulnerability is publicly disclosed and should be addressed promptly. The CWE classification is CWE-79, which corresponds to improper neutralization of input during web page generation leading to XSS.

Detailed information about CVE-2024-36624: n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2024-36624: n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-36624: n/a

Zulip from 8.0 to 8.3 contains a memory leak vulnerability in the handling of popovers.

CVE-2024-36612 identifies a memory leak vulnerability in Zulip versions 8.0 to 8.3 related to the handling of popovers, a UI component. The vulnerability is classified under CWE-125, which typically involves out-of-bounds reads or memory mismanagement. In this case, the flaw causes the application to improperly manage memory allocation or deallocation when rendering or interacting with popovers, leading to a gradual increase in memory usage. Over time, this can exhaust system resources, resulting in degraded performance or denial-of-service (DoS) conditions. The CVSS 3.1 base score of 7.5 reflects a high severity due to its network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:N), and no user interaction needed (UI:N). The scope remains unchanged (S:U), and the impact is solely on availability (A:H) with no confidentiality (C:N) or integrity (I:N) impact. No patches are currently linked, and no active exploits have been reported, but the vulnerability’s characteristics make it a credible threat for DoS attacks against Zulip deployments. Zulip is an open-source team chat platform used by various organizations for internal communication, making availability critical. The vulnerability’s exploitation could disrupt communication channels, affecting productivity and operational continuity.

Detailed information about CVE-2024-36612: n/a. Get real-time updates, technical details, and mitigation strategies.


CVE-2024-36625: n/aCVE-2024-36625 0 Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the replace_emoji_with_text function in ui_util.ts. MediumVulnerabilityUnited StatesUnited KingdomGermany+7#cve #cve-2024-36625 Join the discussion	CVE Database V5	11/29/2024, 00:00:00 UTC Added: 02/25/2026, 21:40:51 UTC
CVE-2024-36624: n/aCVE-2024-36624 0 Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the construct_copy_div function in copy_and_paste.js. MediumVulnerabilityUnited StatesUnited KingdomGermany+7#cve #cve-2024-36624 Join the discussion	CVE Database V5	11/29/2024, 00:00:00 UTC Added: 02/25/2026, 21:40:51 UTC
CVE-2024-36612: n/aCVE-2024-36612 0 Zulip from 8.0 to 8.3 contains a memory leak vulnerability in the handling of popovers. HighVulnerabilityUnited StatesUnited KingdomGermany+7#cve #cve-2024-36612 Join the discussion	CVE Database V5	11/29/2024, 00:00:00 UTC Added: 02/25/2026, 21:40:49 UTC

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