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CVE-2026-46360

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities() that limits recursive entity decoding to 5 iterations, allowing attackers to bypass sanitization. Authenticated users with FAQ_EDIT permission can upload malicious SVG files with deeply nested ampersand encoding around numeric HTML entities to reconstruct javascript: URLs, which execute arbitrary JavaScript when clicked by other users viewing the uploaded SVG.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dd0e67954dae281e0cce03fe6b954162f74f484c1e2eda31cde06cd90674eab1
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":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","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":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"phpmyfaq","vendor":"thorsten","versions":[{"lessThan":"4.1.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"4.1.2","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","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":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/cna/metrics/1/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:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["exploit"],"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-whqh-9pq5-c7r3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/adp/0/references/0
{"name":"GHSA Advisory GHSA-whqh-9pq5-c7r3","tags":["vendor-advisory"],"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-whqh-9pq5-c7r3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /containers/cna/references/0
{"name":"VulnCheck Advisory: phpMyFAQ - Stored XSS via Entity Decoding Depth Limit Bypass in SVG Sanitizer","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-entity-decoding-depth-limit-bypass-in-svg-sanitizer"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e0157395830708ee9b72e9f76d343c50626f415ef847b3352a9617dd57df2732 · sha256:1dd5957d7a4519ea… · /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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