by Kastro
Paper/Archive/CVE-2023-1715

CVE-2023-1715

Bitrix24 Bitrix24 — Bitrix24 Stored Cross-Site Scripting (XSS) via Improper Input Neutralization on Invoice Edit Page (1 of 2)

EPSS 0.6%CVSS 9.0
critical.is priorityof 100
37
CVSS 9.0 (CNA)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 48.4.484 × 209.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A logic error when using mb_strpos() to check for potential XSS payload in Bitrix24 22.0.300 allows attackers to bypass XSS sanitisation via placing HTML tags at the begining of the payload.

Affected

ProductAffectedFixed inSource
Bitrix24≤ 22.0.300–CNA

Scores by source

STAR_Labs (CNA)9.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

writeupstarlabs.sg/advisories/23/23-1715