What is CVE-2020-24917?

CVE-2020-24917 is a medium-severity vulnerability in Enhancesoft Osticket, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-08-30.

How severe is CVE-2020-24917?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-24917 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Enhancesoft Osticket

CVE-2020-24917

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

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-08-30 · last modified 2026-07-10.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

github.com/osTicket/osTicket/commit/518de223933eab0c5558741ce317f36958ef193d (Patch, Third Party Advisory)
github.com/osTicket/osTicket/compare/v1.14.2...v1.14.3 (Third Party Advisory, Release Notes)
sisl.lab.uic.edu/projects/chess/osticket-xss/ (Third Party Advisory)

Frequently asked questions

What is CVE-2020-24917?: CVE-2020-24917 is a medium-severity vulnerability in Enhancesoft Osticket, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-08-30.
How severe is CVE-2020-24917?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-24917 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.