Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-7686

A vulnerability was found in eyeo Adblock Plus up to 4.36.2 on Chrome. Affected by this vulnerability is the function postMessage of the file premium.preload.js of the component Legacy Premium Activation. Performing a manipulation results in improper access controls. Remote exploitation of the attack is possible. The exploit has been made public and could be used. Upgrading the affected component is recommended. The vendor provides additional details: "The affected code path is a legacy Premium
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c573713a5266001f5a220d70a9009943f05944c3d5c5f294d9c1294e283b195f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"modules":["Legacy Premium Activation"],"product":"Adblock Plus","vendor":"eyeo","versions":[{"status":"affected","version":"4.36.0"},{"status":"affected","version":"4.36.1"},{"status":"affected","version":"4.36.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["patch"],"url":"https://adblockplus.org/en/download"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/references/4
{"tags":["exploit"],"url":"https://github.com/xryj920/CVE/blob/main/adblock_plus_CVE_report.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/references/3
{"name":"Submit #793551 | Eyeo GmbH Adblock Plus 4.36.2 Privilege Escalation","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/793551"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/references/2
{"name":"VDB-360856 | eyeo Adblock Plus Legacy Premium Activation premium.preload.js postMessage access control","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/360856"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /containers/cna/references/0
{"name":"VDB-360856 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/360856/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f3e9abc0fd670c11f0f2dfe8ebe1a361a768afc8ecb61d35f4a2f65236fa312 · sha256:a72d4c61bb16bc35… · /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.

← Back to CVE Explorer