CVE-2026-120428
PandaWiki 3.65.0 through 3.87.5 Stored XSS via /static-file/ PDF Query-String Bypass
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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/<key>?a=.pdf, bypassing the nginx attachment header to serve HTML inline and steal the panda_wiki_token JWT for session takeover.
| CWE | CWE-79 |
| Vendor | chaitin |
| Product | pandawiki |
| Published | Nov 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Chaitin / PandaWiki
3.65.0 ≤ 3.87.5
References
github.com: https://github.com/chaitin/PandaWiki/issues/1845 vul.yulun.ac.cn: https://vul.yulun.ac.cn/20261101/pandawiki/ github.com: https://github.com/chaitin/PandaWiki/blob/v3.87.5/web/admin/server.conf github.com: https://github.com/chaitin/PandaWiki/blob/v3.87.5/backend/usecase/file.go github.com: https://github.com/chaitin/PandaWiki/blob/v3.87.5/backend/handler/share/common.go vulncheck.com: https://www.vulncheck.com/advisories/pandawiki-3.65.0-through-3.87.5-stored-xss-via-static-file-pdf-query-string-bypass
Credits
Wu Yulun