CVE-2026-30562
Reflected XSS in add_stock.php msg param of SourceCodester Sales and Inventory System 1.0.
Is CVE-2026-30562 being exploited?
Not confirmed. CVE-2026-30562 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-30562?
CVE-2026-30562 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-30562?
Not known from our data. No patch reference has been recorded for CVE-2026-30562, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-30562 affect?
CVE-2026-30562 affects SourceCodester Sales and Inventory System 1.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-30562?
Sanitize inputs in add_stock.php and upgrade to secured build.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remotely execute script in victims' browser via crafted URL; may steal cookies or deface content.
Patch when possible