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CVE-2026-27473

SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ea3471865facb7239440a5fb9942e7731640d57c57bb1a84cee6c0e63926be08
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"SPIP","vendor":"SPIP","versions":[{"lessThan":"4.4.9","status":"affected","version":"4.4.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["vendor-advisory","patch"],"url":"https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/references/0
{"tags":["product"],"url":"https://git.spip.net/spip/spip"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/references/1
{"name":"VulnCheck Advisory: SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sites"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:37f86cf3a2f82fcdebb82abf229e204deda76713a88455849ed79354af031de4 · sha256:a8ad788bc728929f… · /containers/cna/references/2

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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