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CVE-2026-48527

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Versions up to and including 26.0.0 are affected by a stored cross-site scripting (XSS) vulnerability in the `/system/api/saveNode` endpoint. An authenticated user with a permission to edit pages can bypass the HTML sanitizer by injecting an event handler attribute without whitespace before the attribute name. @haxtheweb/haxcms-nodejs 26.0.1 and haxcms-php 26.0.2 patch the issue.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c3a580534dfa9c5feb14692a59645aca1dd922ea5fdcbea8faa37b5ade8773db
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"haxcms-php","vendor":"haxtheweb","versions":[{"status":"affected","version":"< 26.0.2"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /containers/cna/affected/1

{"product":"haxcms-nodejs","vendor":"haxtheweb","versions":[{"status":"affected","version":"< 26.0.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"haxcms-php","vendor":"haxtheweb","versions":[{"status":"affected","version":"< 26.0.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /containers/cna/affected/1
{"product":"haxcms-nodejs","vendor":"haxtheweb","versions":[{"status":"affected","version":"< 26.0.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: 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:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/haxtheweb/issues/security/advisories/GHSA-g2g8-95qg-v35h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-g2g8-95qg-v35h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-g2g8-95qg-v35h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b2c5232f4a5eb65445756dbd9a456e0b0e4940e5a13509059f995ba0ce5ae8db · sha256:a764c1b816e5fd6d… · /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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