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CVE-2021-32809

Status Candidate

Overview

ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.

Related Files

Ubuntu Security Notice USN-5340-1
Posted Mar 23, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5340-1 - Kyaw Min Thein discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affects Ubuntu 18.04 LTS. Micha Bentkowski discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-9861, CVE-2020-9281, CVE-2021-32808, CVE-2021-32809, CVE-2021-33829, CVE-2021-37695
SHA-256 | 9cd0120842dd043b5e493d3eb8821794d81f1b61c1e795bb4c60d255fb26b0b3
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