CVE-2017-7251: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

May 13, 2022 (updated July 7, 2023)

A Cross-Site Scripting (XSS) was discovered in pi-engine/pi 2.5.0. The vulnerability exists due to insufficient filtration of user-supplied data (preview) passed to the “pi-develop/www/script/editor/markitup/preview/markdown.php” URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

References

github.com/advisories/GHSA-9v3w-m552-m6ff
github.com/pi-engine/pi/commit/557cd05b21b4d7fe422f90adcfa0c6e3bea06153
github.com/pi-engine/pi/issues/1523
nvd.nist.gov/vuln/detail/CVE-2017-7251
web.archive.org/web/20210124010656/https://www.securityfocus.com/bid/97061/

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