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CVE-2026-61875

luci-app-upnp contains a stored cross-site scripting vulnerability that allows unauthenticated LAN clients to inject JavaScript via UPnP IGD AddPortMapping SOAP requests. Attackers can send malicious HTML in the NewPortMappingDescription field, which miniupnpd stores and luci-app-upnp renders without output encoding, executing the payload when administrators view the UPnP or Status pages.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:76179fb61b12c153c1d405974102231e5c76c26992e3bbfe70810426aa7e5ffc
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","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"luci","vendor":"openwrt"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/cna/metrics/1/cvssV3_1

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:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["exploit"],"url":"https://github.com/openwrt/luci/security/advisories/GHSA-8v49-6387-7f89"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/adp/0/references/0
{"name":"GitHub Security Advisory (GHSA-8v49-6387-7f89)","tags":["vendor-advisory"],"url":"https://github.com/openwrt/luci/security/advisories/GHSA-8v49-6387-7f89"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /containers/cna/references/0
{"name":"VulnCheck Advisory: luci-app-upnp Stored XSS via UPnP Port Mapping Description","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/luci-app-upnp-stored-xss-via-upnp-port-mapping-description"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:29554bf913b2f1c0317532535af5c00281c4bd4dab92b385b2c1c332ad8d55b5 · sha256:22703c0f630811a9… · /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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