{"vulnerability": "cve-2026-1811", "sightings": [{"uuid": "51fb21e2-1e27-4cfc-9d5a-bd6cd85ff92c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18117", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/fp3s46hcdtk3q", "content": "CVE-2026-18117 - Concrete CMS 9.0.0 to 9.5.2 is vulnerable to Stored XSS in Custom Page Alias Name\nCVE ID : CVE-2026-18117\n \n Published : Sept. 14, 2026, 9:27 p.m. | 14\u00a0minutes ago\n \n Description : Concrete CMS 9.0.0 through 9.5.3 is vulnerable to stored XSS via the custom pag...", "creation_timestamp": "2026-09-14T22:24:54.790457Z"}, {"uuid": "3e9e2f6e-cbe3-491d-a50e-c12b054643b5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18116", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvkmuzmusz2b", "content": "CVE-2026-18116 - concrete cms\nVersions 8.3.0 through 9.5.2 of Concrete CMS store calendar event names without cleaning them and then show those names in approval notifications. If a user adds an event with\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#concretecms #CVE #infosec", "creation_timestamp": "2026-09-15T12:30:07.793526Z"}, {"uuid": "a8a289b8-a918-46bc-a25c-611045b2a3e6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18111", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvmgyr7vug2f", "content": "CVE-2026-18111 - concrete cms\nVersions of Concrete CMS before 9.5.4 let a user who can edit pages add specially crafted links that run malicious code in other users' browsers. This can steal login sessions and\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#concretecms #CVE #infosec", "creation_timestamp": "2026-09-16T05:50:10.120392Z"}, {"uuid": "bffbec8f-6719-4e00-b9e8-c12f735da4e0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18113", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvmi4ikzed2p", "content": "CVE-2026-18113 - concrete cms\nVersions 9.0 through 9.5.2 of Concrete CMS allow page names in the top navigation dropdown to contain script code. If an attacker can create or rename a page, the code runs in the\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#concretecms #CVE #infosec", "creation_timestamp": "2026-09-16T06:10:09.038261Z"}, {"uuid": "20e23352-05de-413f-9174-b0bb139e7ae0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18110", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mwbgiqcozo2e", "content": "\ud83d\udccc CVE-2026-18110 - Concrete CMS 9 (9.0.0 through 9.5.2) does not perform an authorization check on the user selector autocomplete endpoint (/ccm/system/user/autocomplete... https://www.cyberhub.blog/cves/CVE-2026-18110", "creation_timestamp": "2026-09-24T14:07:08.536707Z"}, {"uuid": "7c4605a9-09ca-45d0-8004-ed22e426823e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18110", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/103657", "content": "\ud83d\udea8 GitHub \u76d1\u63a7\u6d88\u606f\u63d0\u9192\n\n\ud83d\udea8 \u53d1\u73b0\u5173\u952e\u8bcd\uff1a #CVE-2026 #POC\n\n\ud83d\udce6 \u9879\u76ee\u540d\u79f0\uff1a CVE-2026-18110-PoC\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a flenz00\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a Unknown\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-09-28 13:29:59\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nProof-of-Concept for CVE-2026-18110\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-09-28T14:00:11.000000Z"}, {"uuid": "0128cd46-28d2-4a3d-b6a7-ffd2c2dfe0c0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18110", "type": "seen", "source": "Telegram/YMUJMtIkSS3VWfyhuvlmbqaYIB_anho54ywns4AAHnWUn5M", "content": "", "creation_timestamp": "2026-09-28T21:00:04.000000Z"}, {"uuid": "4b020639-db56-4f45-893e-3c1dcbe529b3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18110", "type": "published-proof-of-concept", "source": "Telegram/YMUJMtIkSS3VWfyhuvlmbqaYIB_anho54ywns4AAHnWUn5M", "content": "", "creation_timestamp": "2026-09-28T21:00:04.000000Z"}]}