What is CVE-2026-77818?

CVE-2026-77818 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-09-04.

How severe is CVE-2026-77818?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2026-77818 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CVE-2026-77818

CVE-2026-77818

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.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

alkimcoskun/Yordam-Kutuphane-Otomasyonunda-Coklu-HTML-Enjeksiyonu

References

iletisim@usom.gov.tr

Frequently asked questions

What is CVE-2026-77818?: CVE-2026-77818 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-09-04.
How severe is CVE-2026-77818?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2026-77818 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.