CVE-2026-77818 Reflected HTML Injection via Form Hijacking in Yordam Informatics's Library Automation System
Attackers can inject malicious HTML into web pages via reflected input, enabling content spoofing and potential session hijacking in the library automation system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-77818?
CVE-2026-77818 is a medium-severity cross-site scripting vulnerability in Yordam Information Technology Consulting, Training and Electronic Systems Industry and Trade Inc. Library Information and Document Automation Program, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-77818?
How do I fix CVE-2026-77818?
No fix has been published for CVE-2026-77818 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-77818 being exploited?
There is no known exploitation of CVE-2026-77818 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-5fqf-rg4x-q9c6.