{"id":"CVE-2026-11434","state":"PUBLISHED","title":"FluentCMS Blocks Plugin blocks cross site scripting","description":"A weakness has been identified in FluentCMS 0.0.5. The impacted element is an unknown function of the file /admin/blocks of the component Blocks Plugin. This manipulation causes cross site scripting. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.","publishedAt":"2026-06-06T14:15:09.941Z","updatedAt":"2026-06-10T04:09:40.331Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["n/a FluentCMS"],"affected":[{"vendor":"n/a","product":"FluentCMS","versions":[{"version":"0.0.5","status":"affected"}],"cpes":["cpe:2.3:a:fluentcms:fluentcms:*:*:*:*:*:*:*:*"],"modules":["Blocks Plugin"]}],"references":["https://vuldb.com/vuln/369014","https://vuldb.com/vuln/369014/cti","https://vuldb.com/cve/CVE-2026-11434","https://vuldb.com/submit/821094","https://karinagante.github.io/cve-2026-11434/","https://karinagante.github.io/cve-2026-11434/#proof-of-concept-poc","https://hackmd.io/@noka/BkHdIMFAWx"],"weaknesses":["CWE-79","CWE-94"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/11xxx/CVE-2026-11434.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-11434","state":"PUBLISHED","datePublished":"2026-06-06T14:15:09.941Z","dateUpdated":"2026-06-10T04:09:40.331Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-06-05T22:07:20.333Z"},"containers":{"cna":{"title":"FluentCMS Blocks Plugin blocks cross site scripting","descriptions":[{"lang":"en","value":"A weakness has been identified in FluentCMS 0.0.5. The impacted element is an unknown function of the file /admin/blocks of the component Blocks Plugin. This manipulation causes cross site scripting. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."}],"affected":[{"vendor":"n/a","product":"FluentCMS","versions":[{"version":"0.0.5","status":"affected"}],"cpes":["cpe:2.3:a:fluentcms:fluentcms:*:*:*:*:*:*:*:*"],"modules":["Blocks Plugin"]}],"references":[{"url":"https://vuldb.com/vuln/369014","name":"VDB-369014 | FluentCMS Blocks Plugin blocks cross site scripting","tags":["vdb-entry"]},{"url":"https://vuldb.com/vuln/369014/cti","name":"VDB-369014 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-11434","name":"CVE-2026-11434 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/821094","name":"Submit #821094 | FluentCMS 0.0.5 Cross Site Scripting","tags":["third-party-advisory"]},{"url":"https://karinagante.github.io/cve-2026-11434/","tags":["related"]},{"url":"https://karinagante.github.io/cve-2026-11434/#proof-of-concept-poc","tags":["exploit"]},{"url":"https://hackmd.io/@noka/BkHdIMFAWx","tags":["related"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":2.4,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":2.4,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":3.3,"vectorString":"AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"Cross Site Scripting"}]},{"descriptions":[{"cweId":"CWE-94","type":"CWE","lang":"en","description":"Code Injection"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-06-10T04:09:40.331Z"},"timeline":[{"time":"2026-06-05T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-06-06T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-06-10T06:14:22.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Karina Gante (CVE-Hunters)","type":"finder"},{"lang":"en","value":"karinagante (VulDB User)","type":"reporter"},{"lang":"en","value":"karinagante (VulDB User)","type":"analyst"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-08T15:38:46.006779Z","id":"CVE-2026-11434","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-08T15:39:03.235Z"}}]}}}