Medium severity · published Oct 8, 2026
CVE-2026-107798
Jivejdon through commit ee67a65e Stored XSS via Markdown Links in TextStyle Rendering Filter
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
jivejdon from commit 595d8d22 through commit ee67a65e contains a stored cross-site scripting vulnerability in the default-enabled TextStyle filter that inserts unvalidated URLs into anchor href attributes. Authenticated attackers can post messages with javascript: links or quote-breaking URLs to execute JavaScript when other users click or hover over rendered links.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JI
jivejdon · banq
595d8d227fcdedf6f3b73540dd9f5d12dab399fe through ee67a65e65228644a71c8317d7e34deea50f95ef · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-107798
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-107798
issue-tracking
https://github.com/banq/jivejdon/issues/28
product
https://github.com/banq/jivejdon
technical-description
https://github.com/banq/jivejdon/blob/ee67a65e65228644a71c8317d7e34deea50f95ef/src/main/java/com/jdon/jivejdon/domain/model/message/output/html/TextStyle.java#L242-L243
third-party-advisory
https://www.vulncheck.com/advisories/jivejdon-through-commit-ee67a65e-stored-xss-via-markdown-links-in-textstyle-rendering-filter
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