What’s Vulnerable › Vulnerabilities

CVE-2020-24917

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-30 · updated 2026-07-10
• Weakness: CWE-79

Description

osTicket before 1.14.3 allows XSS via a crafted filename to DraftAjaxAPI::_uploadInlineImage() in include/ajax.draft.php.

Affected products

• osticket/osticket: before 1.14.3 — fixed in 1.14.3

How to fix

Upgrade to a fixed version: osticket/osticket 1.14.3. Check the vendor advisory for mitigations.

References

• https://github.com/osTicket/osTicket/commit/518de223933eab0c5558741ce317f36958ef193d
• https://github.com/osTicket/osTicket/compare/v1.14.2...v1.14.3
• https://sisl.lab.uic.edu/projects/chess/osticket-xss/
• https://github.com/osTicket/osTicket/commit/518de223933eab0c5558741ce317f36958ef193d
• https://github.com/osTicket/osTicket/compare/v1.14.2...v1.14.3
• https://sisl.lab.uic.edu/projects/chess/osticket-xss/

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