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The vulnerability of the application for integrating PDF.js files with cloud-based software for creating and using data storage systems like NextCloud Server allows attackers to perform cross-site scripting attacks (XSS).

🗓️ 04 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

XSS in PDF.js integration with NextCloud Server enables remote attacks via weak site protection.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Information Security Automation
June Linux Patch Wednesday
26 Jun 202617:00
avleonov
CNNVD
Nextcloud 安全漏洞
4 Dec 202500:00
cnnvd
CVE
CVE-2025-59788
4 Dec 202500:00
cve
Cvelist
CVE-2025-59788
4 Dec 202500:00
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EUVD
EUVD-2025-201255
4 Dec 202521:31
euvd
Nextcloud
Development files shipped in files_pdfviewer app
5 Dec 202507:50
nextcloud
NVD
CVE-2025-59788
4 Dec 202519:16
nvd
OpenVAS
Nextcloud Server Multiple Vulnerabilities (GHSA-24wp-p865-7j4r)
9 Dec 202500:00
openvas
Positive Technologies
PT-2025-49115
3 Sep 202500:00
ptsecurity
RedhatCVE
CVE-2025-59788
11 Dec 202505:16
redhatcve
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29 Jun 2026 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 35.5
CVSS 26.5
EPSS0.00246
1