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CVE-2026-93463A cross-site scripting vulnerability via script validation bypass exists in baserCMS. If this vulnerability is exploited, an arbitrary…

Description

A cross-site scripting vulnerability via script validation bypass exists in baserCMS. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.

Timeline

  1. ID reserved

    By jpcert

  2. · 12 days later

    Published

  3. · 2 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-93463, by who scored it
Scored byCVSSScoreVector
jpcertCNA (assigner)4.0Medium5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
jpcertCNA (assigner)3.0Medium5.4CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVDNVD · Deferred4.0Medium5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.15% · top 96% of all CVEs (15 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.

Affected products

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-93463 badge
[![CVE-2026-93463](https://cveledger.app/badge/CVE-2026-93463.svg)](https://cveledger.app/cve/CVE-2026-93463)

Record last updated .