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CVE-2026-34974

phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the regex-based SVG sanitizer in phpMyFAQ (SvgSanitizer.php) can be bypassed using HTML entity encoding in javascript: URLs within SVG <a href> attributes. Any user with edit_faq permission can upload a malicious SVG that executes arbitrary JavaScript when viewed, enabling privilege escalation from editor to full admin takeover. This issue has been patched in version 4.1.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b7998435726a9be3efd095194fa64dada0152080b7b301babbdb95d92ab89c2d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"phpMyFAQ","vendor":"thorsten","versions":[{"status":"affected","version":"< 4.1.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:77d9e169168fb8ce36170305f7968d96369b1826bb41572973141abc255ff247 · sha256:407b0e15940a88cb… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"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:v2:77d9e169168fb8ce36170305f7968d96369b1826bb41572973141abc255ff247 · sha256:407b0e15940a88cb… · /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:v2:77d9e169168fb8ce36170305f7968d96369b1826bb41572973141abc255ff247 · sha256:407b0e15940a88cb… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/thorsten/phpMyFAQ/releases/tag/4.1.1","tags":["x_refsource_MISC"],"url":"https://github.com/thorsten/phpMyFAQ/releases/tag/4.1.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:77d9e169168fb8ce36170305f7968d96369b1826bb41572973141abc255ff247 · sha256:407b0e15940a88cb… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-5crx-pfhq-4hgg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:77d9e169168fb8ce36170305f7968d96369b1826bb41572973141abc255ff247 · sha256:407b0e15940a88cb… · /containers/adp/0/references/0
{"name":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-5crx-pfhq-4hgg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-5crx-pfhq-4hgg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:77d9e169168fb8ce36170305f7968d96369b1826bb41572973141abc255ff247 · sha256:407b0e15940a88cb… · /containers/cna/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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