SB2023092501 - Stored cross-site scripting in Zope
Published: September 25, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: CVE-2023-42458)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within SVG images. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.
References
- https://github.com/zopefoundation/Zope/security/advisories/GHSA-wm8q-9975-xh5v
- https://github.com/zopefoundation/Zope/commit/603b0a12881c90a072a7a65e32d47ed898ce37cb
- https://github.com/zopefoundation/Zope/commit/26a55dbc301db417f47cafda6fe0f983b5690088
- http://www.openwall.com/lists/oss-security/2023/09/22/2