CVE-2026-120428
mediumPandaWiki 3.65.0 through 3.87.5 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to upload HTML files with image exte…
PandaWiki 3.65.0 through 3.87.5 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to upload HTML files with image extensions via /share/v1/common/file/upload. Attackers can lure administrators to /static-file/?a=.pdf, bypassing the nginx attachment header to serve HTML inline and steal the panda_wiki_token JWT for session takeover.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/chaitin/PandaWiki/blob/v3.87.5/backend/handler/share/common.go disclosure@vulncheck.com
- https://github.com/chaitin/PandaWiki/blob/v3.87.5/backend/usecase/file.go disclosure@vulncheck.com
- https://github.com/chaitin/PandaWiki/blob/v3.87.5/web/admin/server.conf disclosure@vulncheck.com
- https://github.com/chaitin/PandaWiki/issues/1845 disclosure@vulncheck.com
- https://vul.yulun.ac.cn/20261101/pandawiki/ disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/pandawiki-3.65.0-through-3.87.5-stored-xss-via-static... disclosure@vulncheck.com

