CVE-2026-50766: A stored cross-site scripting (XSS) vulnerability in the OPAC item detail page of Koha Library Management System 0 through 25.11 versions allow an authenticated remote attacker wit
A stored cross-site scripting (XSS) vulnerability in the OPAC item detail page of Koha Library Management System 0 through 25.11 versions allow an authenticated remote attacker with edit_items permission to inject arbitrary web scripts via the item public notes field (items.itemnotes).
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50766
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-507660.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-50766 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for A stored cross-site
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-61448: Parse Server is affected by a stored cross-site scripting (XSS) vulnerability in versions >= 9…nvd · 2026-07-11
- highCVE-2026-6939: The CorvusPay WooCommerce Payment Gateway plugin for WordPress is vulnerable to Stored Cross-Si…nvd · 2026-07-11
- mediumCVE-2026-1382: The fresh Podcaster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '…nvd · 2026-07-11
- mediumCVE-2026-15010: The bbp Style Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versio…nvd · 2026-07-11
- mediumCVE-2026-12126: The WCFM Marketplace – Multivendor Marketplace for WooCommerce plugin for WordPress is vulnera…nvd · 2026-07-11
- mediumCVE-2026-11898: The White Label CMS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admi…nvd · 2026-07-11
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