CVE-2026-9318tablib versions prior to 3.10.0 Stored XSS via HTML Export Dataset Title
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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tablib prior to 3.10.0 contains a stored cross-site scripting vulnerability in the HTML export functionality that allows attackers to execute arbitrary JavaScript by embedding malicious payloads in dataset titles, which are interpolated unsanitized into HTML output via the export_book method in the _html.py format handler. Attackers can rename worksheet sheets in imported files such as XLSX, ODS, XLS, or YAML with script payloads that are assigned to the Dataset title attribute and rendered unescaped inside an HTML h3 tag, leading to session hijacking, unauthorized administrative actions, and sensitive data exposure when the output is rendered in a browser.
- CVSS
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Jazzband tablib jazzband:tablib (from the name) | before 3.10.0 | CNA record |
References
- https://github.com/jazzband/tablibproduct
- https://github.com/jazzband/tablib/pull/668issue-tracking
- https://github.com/jazzband/tablib/releases/tag/v3.10.0patch
- https://www.vulncheck.com/advisories/tablib-versions-prior-to-stored-xss-via-html-export-dataset-titlethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.