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CVE-2026-6486

A vulnerability was detected in classroombookings up to 2.17.0. This impacts the function read of the file crbs-core/application/views/layout.php of the component User Display Name Handler. The manipulation of the argument displayname results in cross site scripting. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 2.17.1 will fix this issue. The patch is identified as 69c3c9bb8a17f1ea572d8f4502bf238f0214c98a. It is suggested to upgrade the aff
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:df603763fcc215f32bd7d56f41a42d726a16a7f74c203b4eafb8adb7813deb87
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":4,"vectorString":"AV:N/AC:L/Au:S/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:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/3/cvssV2_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:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/1/cvssV3_1

{"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:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/0/cvssV4_0

{"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:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-79","description":"Cross Site Scripting","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:classroombookings:classroombookings:*:*:*:*:*:*:*:*"],"modules":["User Display Name Handler"],"product":"classroombookings","vendor":"n/a","versions":[{"status":"affected","version":"2.0"},{"status":"affected","version":"2.1"},{"status":"affected","version":"2.2"},{"status":"affected","version":"2.3"},{"status":"affected","version":"2.4"},{"status":"affected","version":"2.5"},{"status":"affected","version":"2.6"},{"status":"affected","version":"2.7"},{"status":"affected","version":"2.8"},{"status":"affected","version":"2.9"},{"status":"affected","version":"2.10"},{"status":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/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:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/3/cvssV2_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:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/1/cvssV3_1
{"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:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/0/cvssV4_0
{"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:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-94","description":"Code Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-79","description":"Cross Site Scripting","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"tags":["product"],"url":"https://github.com/classroombookings/classroombookings/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/references/7
{"tags":["patch"],"url":"https://github.com/classroombookings/classroombookings/commit/69c3c9bb8a17f1ea572d8f4502bf238f0214c98a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/references/5
{"tags":["issue-tracking","patch"],"url":"https://github.com/classroombookings/classroombookings/pull/83"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/classroombookings/classroombookings/releases/tag/v2.17.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/references/6
{"tags":["exploit"],"url":"https://github.com/sudo-secure/security-research/blob/main/classroombookings/stored-xss/PoC.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/references/3
{"name":"Submit #786154 | Craig A Rodway classroombookings 2.16.4 Stored Cross-Site Scripting (XSS)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/786154"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/references/2
{"name":"VDB-358027 | classroombookings User Display Name layout.php read cross site scripting","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/358027"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /containers/cna/references/0
{"name":"VDB-358027 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/358027/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90c9fbdfe168b217813d5fdffbe430eb01afb4894eb398031bf19c316c33f2ba · sha256:eceebc66f93832c5… · /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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