CVE Explorer

CVE-2026-6909

ATutor is vulnerable to Reflected XSS in /install/upgrade.php endpoint. An attacker can provide a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser. Product is no longer actively supported. Maintainers of this project were notified early about this vulnerability, but did not respond with the details of the vulnerability or vulnerable version range. Only version 2.2.4 was tested and confirmed as vulnerable, other versions were not tested b

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dca69af4186bd07dabb53e899af518d78478e881c2f5aa345bc25b5a399993b9

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unknown","product":"ATutor","repo":"https://github.com/atutor/ATutor","vendor":"ATutor","versions":[{"status":"affected","version":"2.2.4","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:2db31c8f98dd3c22a13f151d7cd5ec44cbdecd3fa391ce8a9a717ff1e4f0ccb2 · sha256:40fe6e430c0974ca… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

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

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:2db31c8f98dd3c22a13f151d7cd5ec44cbdecd3fa391ce8a9a717ff1e4f0ccb2 · sha256:40fe6e430c0974ca… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:2db31c8f98dd3c22a13f151d7cd5ec44cbdecd3fa391ce8a9a717ff1e4f0ccb2 · sha256:40fe6e430c0974ca… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["product"],"url":"https://atutor.github.io/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2db31c8f98dd3c22a13f151d7cd5ec44cbdecd3fa391ce8a9a717ff1e4f0ccb2 · sha256:40fe6e430c0974ca… · /containers/cna/references/1

{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/05/CVE-2026-6909"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2db31c8f98dd3c22a13f151d7cd5ec44cbdecd3fa391ce8a9a717ff1e4f0ccb2 · sha256:40fe6e430c0974ca… · /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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