Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-67617

Microweber CMS through 2.0.20 contains a stored cross-site scripting vulnerability in the content tagging system that allows admin-authenticated attackers to inject arbitrary JavaScript by submitting malicious payloads via the tag_names parameter of the GET /api/save_content_admin endpoint, bypassing three independent sanitization controls including XSS middleware that ignores GET requests, a strip_unsafe() function that only matches double-quoted onerror attributes, and a titlecase normalizer t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bfa157c6ea6b38cb4e511345f68af33dcb0d609b0aaf878777215b04016746b5
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":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":4.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","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:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","packageURL":"pkg:github/microweber/microweber","product":"microweber","repo":"https://github.com/microweber/microweber","vendor":"microweber","versions":[{"lessThanOrEqual":"2.0.20","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":4.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","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:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","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:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"Researcher Disclosure","tags":["technical-description","exploit"],"url":"https://github.com/theopaid/Stored-XSS-via-Content-Tag-Names-Microweber-"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/microweber-cms-stored-xss-via-tag-names-parameter"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ce83a8ed9f057115c8b804b9d0ce278b72ffa985a22abcbb4b3cb19adadda11 · sha256:920a8604b974e3aa… · /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.

← Back to CVE Explorer