CVE-2026-30235 — Business Logic Error on OpenProject through hyperlinks in markdown using DOM clobbering

Description (CNA)

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, this vulnerability occurs due to improper validation of OpenProject’s Markdown rendering, specifically in the hyperlink handling. This allows an attacker to inject malicious hyperlink payloads that perform DOM clobbering. DOM clobbering can crash or blank the entire page by overwriting native DOM functions with HTML elements, causing critical JavaScript calls to throw runtime errors during application initialization and halt further execution. This vulnerability is fixed in 17.2.0.

Affected (CNA)

Vendor / product	Versions
opf / openproject	affected < 17.2.0

CWE

CWE-79

References

https://github.com/opf/openproject/security/advisories/GHSA-9rv2-9xv5-gpq8

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.