CVE-2026-120428
Medium
Description
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductPandaWiki
PublishedNov 2, 2026
First seenNov 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Chaitin PandaWiki | 3.65.0 ≤ v ≤ 3.87.5 | — |
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