Medium severity5.4OSV Advisory· Published Jan 16, 2026· Updated Jun 17, 2026

CVE-2021-47808

Description

Cotonti Siena 0.9.19 contains a stored cross-site scripting vulnerability in the admin configuration panel's site title parameter. Attackers can inject malicious JavaScript code through the 'maintitle' parameter to execute scripts when administrators view the page.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cotonti/CotontiOSV3 versions
0.9.12, 0.9.12.1, 0.9.13, …+ 2 more
- (no CPE)range: 0.9.12, 0.9.12.1, 0.9.13, …
- (no CPE)range: =0.9.19
- cpe:2.3:a:cotonti:cotonti_siena:0.9.19:-:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/50016nvdExploit
www.vulncheck.com/advisories/cotonti-siena-maintitle-stored-cross-site-scriptingnvdThird Party Advisory
cotonti.comnvdBroken Link
www.cotonti.com/download/nvdProduct

News mentions

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