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Yordam Library Automation EUVDEUVD-2026-71101

| CVE-2026-77818 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-09-04 TR-CERT GHSA-5fqf-rg4x-q9c6
6.1
CVSS 3.1 · Vendor: TR-CERT
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Severity by source

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

Network-delivered reflected XSS requiring victim click; scope change reflects browser context escape; C:L/I:L consistent with session theft and content manipulation only.

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

Primary rating from Vendor (TR-CERT).

CVSS VectorVendor: TR-CERT

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

Lifecycle Timeline

1
Analysis Generated
Sep 04, 2026 - 14:20 vuln.today

DescriptionCVE.org

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Yordam Information Technology Consulting, Training and Electronic Systems Industry and Trade Inc. Library Information and Document Automation Program allows Content Spoofing.

This issue affects Library Information and Document Automation Program: from v22.1 before v22.2.

AnalysisAI

Cross-site scripting in Yordam Information Technology's Library Information and Document Automation Program enables unauthenticated network attackers to inject malicious scripts into pages served to authenticated library staff or patrons. Affected versions span v22.1 up to (but not including) v22.2. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
technique details hidden
Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation No authentication is required from the attacker (PR:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.1 score reflects a moderate-severity XSS with AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N, meaning the attack is network-reachable, low complexity, requires no prior authentication, but demands victim interaction (UI:R), limiting automated exploitation. … 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 Library Information and Document Automation Program v22.2 or later, which resolves the XSS vulnerability per the TR-CERT advisory at https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1011. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-71101 vulnerability details – vuln.today

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