Event Monitor Cyber
EM-20261109-ERPH VulnerabilityMedium severity

WidzialniCMS Vulnerability (CVE-2026-112204)

CVE-2026-112204

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Status
Developing

Since : signals keep joining.

First Signal
Nov 09 10:55 UTCC17 CERT Polska
Page Born
Nov 09 12:48 UTCsecond source joined
Last Signal
Nov 09 12:48 UTC13 hours before snapshot
Sources
21 official · 1 research, news or crowd
Open For
4 hoursso far

Life Of This Page

  1. 1
    Born
    A second, independent source names it.
  2. 2
    Developing · Now
    New signals join; severity can move.
  3. 3
    Confirmed
    Not yet
    CISA KEV lists it, or exploitation in the wild is reported.
  4. 4
    Resolved
    Not yet
    Past the fix deadline and 14 days with no new signal.
  5. 5
    Archived
    Not yet
    30 days after resolved. Read only; the link keeps working. Reopens if it comes back.

The ID never changes, and earlier addresses keep working. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.

Vulnerability Lifecycle

  1. Disclosed: reached
    Nov 09 13:17 UTC
    C6 NVD published
  2. Scored: reached
    Nov 09 13:17 UTC
    CVSS 5.1
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: reached
    Nov 09 10:55 UTC
    1 government and CERT sources
  5. Vendor Response: not yet
    Not yet
    None in sources yet
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

06:0008:0010:0012:0014:00BornC17 CERT PolskaC8 EU Vulnerability Database (EUVD)

Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.

Signals

  1. EUVD-2026-120046 / CVE-2026-112204 (score 5.1) (opens source in a new tab) WidzialniCMS is vulnerable to Reflected XSS in the /index.php endpoint. An attacker can prepare an URL that, when opened, results in arbitrary JavaScript execution in the victim's browser, allowing e.g session cookie… Med severityDatabaseC8 EU Vulnerability Database (EUVD)
  2. Vulnerabilities in WidzialniCMS software (opens source in a new tab) CERT Polska coordinated disclosure of 4 vulnerabilities (CVE-2026-110468, CVE-2026-110469, CVE-2026-112204 and CVE-2026-112205) found in WidzialniCMS software. Med severityGovernmentC17 CERT Polska