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CVE-2025-66305

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Denial of Service (DoS) vulnerability was identified in the "Languages" submenu of the Grav admin configuration panel (/admin/config/system). Specifically, the Supported parameter fails to properly validate user input. If a malformed value is inserted—such as a single forward slash (/) or an XSS test string—it causes a fatal regular expression parsing error on the server. This leads to application-wide failure due to the use of the pre
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:79baebd2c5b892929048b1f52663c6bc7a02d5d6abd501daf86619e89f80dca5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"grav","vendor":"getgrav","versions":[{"status":"affected","version":"< 1.8.0-beta.27"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d6286b49e9dc0bd31c5ef3c680a79e0d0418bd3bd6d7ed610454ee2e81cc9f8f · sha256:51edff376ac128f6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d6286b49e9dc0bd31c5ef3c680a79e0d0418bd3bd6d7ed610454ee2e81cc9f8f · sha256:51edff376ac128f6… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-248","description":"CWE-248: Uncaught Exception","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d6286b49e9dc0bd31c5ef3c680a79e0d0418bd3bd6d7ed610454ee2e81cc9f8f · sha256:51edff376ac128f6… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/getgrav/grav/commit/ed640a13143c4177af013cf001969ed2c5e197ee","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/ed640a13143c4177af013cf001969ed2c5e197ee"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d6286b49e9dc0bd31c5ef3c680a79e0d0418bd3bd6d7ed610454ee2e81cc9f8f · sha256:51edff376ac128f6… · /containers/cna/references/1
{"name":"https://github.com/getgrav/grav/security/advisories/GHSA-m8vh-v6r6-w7p6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getgrav/grav/security/advisories/GHSA-m8vh-v6r6-w7p6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d6286b49e9dc0bd31c5ef3c680a79e0d0418bd3bd6d7ed610454ee2e81cc9f8f · sha256:51edff376ac128f6… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/getgrav/grav/security/advisories/GHSA-m8vh-v6r6-w7p6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d6286b49e9dc0bd31c5ef3c680a79e0d0418bd3bd6d7ed610454ee2e81cc9f8f · sha256:51edff376ac128f6… · /containers/adp/0/references/0

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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