CVE-2024-56359: grist-core XSS — Fix

Description

grist-core is a spreadsheet hosting server. A user visiting a malicious document and clicking on a link in a HyperLink cell using a control modifier (meaning for example Ctrl+click) could have their account compromised, since the link could use the javascript: scheme and be evaluated in the context of their current page. This issue has been patched in version 1.3.2. Users are advised to upgrade. Users unable to upgrade should avoid clicking on HyperLink cell links using a control modifier in documents prepared by people they do not trust.

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
getgrist	grist-core	< 1.3.2

References

Advisories & Patches

https://github.com/gristlabs/grist-core/commit/a792bdc43b456dbdd6fdc50d8747f4c349fab2f4 https://github.com/gristlabs/grist-core/security/advisories/GHSA-qv69-5cj2-53r9

Frequently Asked Questions

What is CVE-2024-56359? +

grist-core is a spreadsheet hosting server. A user visiting a malicious document and clicking on a link in a HyperLink cell using a control modifier (meaning for example Ctrl+click) could have their account compromised, since the link could use the javascript: scheme and be evaluated in the context of their current page. This issue has been patched in version 1.3.2. Users are advised to upgrade. Users unable to upgrade should avoid clicking on HyperLink cell links using a control modifier in documents prepared by people they do not trust. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-56359? +

CVE-2024-56359 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-56359? +

CVE-2024-56359 affects products from getgrist, specifically: grist-core. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56359? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-56359