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CVE-2026-11434

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:67c3767016a7867b3dfc20de09381ee0ca459ef510d9df446f382860362fac97
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":2.4,"baseSeverity":"LOW","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","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":3.3,"vectorString":"AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":2.4,"baseSeverity":"LOW","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","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-79","description":"Cross Site Scripting","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-94","description":"Code Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:fluentcms:fluentcms:*:*:*:*:*:*:*:*"],"modules":["Blocks Plugin"],"product":"FluentCMS","vendor":"n/a","versions":[{"status":"affected","version":"0.0.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":2.4,"baseSeverity":"LOW","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","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":3.3,"vectorString":"AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":2.4,"baseSeverity":"LOW","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","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-79","description":"Cross Site Scripting","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-94","description":"Code Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/problemTypes/1/descriptions/0

Source references

7 source assertions
{"tags":["related"],"url":"https://hackmd.io/@noka/BkHdIMFAWx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/references/6
{"tags":["related"],"url":"https://karinagante.github.io/cve-2026-11434/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/references/4
{"tags":["exploit"],"url":"https://karinagante.github.io/cve-2026-11434/#proof-of-concept-poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/references/5
{"name":"CVE-2026-11434 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-11434"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/references/2
{"name":"Submit #821094 | FluentCMS 0.0.5 Cross Site Scripting","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/821094"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/references/3
{"name":"VDB-369014 | FluentCMS Blocks Plugin blocks cross site scripting","tags":["vdb-entry"],"url":"https://vuldb.com/vuln/369014"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/references/0
{"name":"VDB-369014 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/369014/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c1db35708054dfba5753fa90084ac59d22aa96d5756857a5fb5e780bb602c2ba · sha256:7cc4fb1cb493054b… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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