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Apache Wicket CVE-2026-76986

| EUVDEUVD-2026-68517 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
6.1
CVSS 3.1 · Vendor
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Severity by source

Vendor (CNA) PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
4.7 MEDIUM

AC:H because exploitation requires the application to override protected methods with attacker-influenced data; UI:R and S:C reflect browser-side XSS execution; no availability impact.

3.1 AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (CNA).

CVSS VectorVendor

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
CVSS changed
Aug 31, 2026 - 15:22 NVD
6.1 (MEDIUM)
CVE Published
Aug 31, 2026 - 10:50 cve.org
CRITICAL
Analysis Generated
Aug 31, 2026 - 08:16 vuln.today

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

AnalysisAI

Cross-site scripting in Apache Wicket's AbstractSingleSelectChoice base class allows injection of unescaped HTML into the default/null option of DropDownChoice form elements. Affected versions span all supported Wicket branches from 8.0.0 through 10.10.0, as well as unsupported releases back to 1.5.0. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires either: (1) the target application subclasses AbstractSingleSelectChoice (e.g. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment With no CVSS vector or EPSS score provided, quantitative risk comparison is limited; all signals below are inferred from the advisory and vulnerability mechanics. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to Apache Wicket 8.19.0 (for the 8.x branch), 9.24.0 (for the 9.x branch), or 10.11.0 (for the 10.x branch), as announced in the oss-security advisory at https://seclists.org/oss-sec/2026/q3/623 and the project homepage at https://wicket.apache.org/. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-76986 vulnerability details – vuln.today

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