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CVE-2026-4239

A vulnerability was found in Lagom WHMCS Template up to 2.3.7. Impacted is an unknown function of the component Datatables. The manipulation results in improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:46687c0356e78c9512ecadf5e6ff1672199d9b423640472b7a55166909df965e
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":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/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:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-1321","description":"Improperly Controlled Modification of Object Prototype Attributes","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-94","description":"Code Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"modules":["Datatables"],"product":"WHMCS Template","vendor":"Lagom","versions":[{"status":"affected","version":"2.3.0"},{"status":"affected","version":"2.3.1"},{"status":"affected","version":"2.3.2"},{"status":"affected","version":"2.3.3"},{"status":"affected","version":"2.3.4"},{"status":"affected","version":"2.3.5"},{"status":"affected","version":"2.3.6"},{"status":"affected","version":"2.3.7"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/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:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-1321","description":"Improperly Controlled Modification of Object Prototype Attributes","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-94","description":"Code Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"tags":["exploit"],"url":"https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/blob/main/lagom-prototype-pollution-poc.js"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/references/4
{"name":"VDB-351181 | CTI Indicators (IOB, IOC, TTP)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.351181"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/references/1
{"name":"VDB-351181 | Lagom WHMCS Template Datatables prototype pollution","tags":["vdb-entry"],"url":"https://vuldb.com/?id.351181"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/references/0
{"name":"Submit #771350 | Lagom Lagom WHMCS Template * Prototype Pollution","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.771350"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:87ca40af8ee075f0266bbda592575f08d6faedb777a4d166faf923989fc98cae · sha256:38231782edb8b9dd… · /containers/cna/references/2

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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