CVE-2026-121733: Webkul Bagisto

Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Upload

CVSS 2.1 LowEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: VulnCheck) at 3 Nov 2026, 22:55 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Webkul	Bagisto pkg:github/bagisto/bagisto	affected before 2.4.5 semver Other versions: unaffected

Identifiers

CVE-2026-121733

CNA

VulnCheck

Weakness (CWE)

CWE-434

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
2.1	Low	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	CNA (VulnCheck)Used for this record
5.4	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0018, the 7th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

3 Nov 2026, 22:55 UTC Confirmed by the CVE List
3 Nov 2026, 23:03 UTC First seen by agentprime
3 Nov 2026, 23:17 UTC Confirmed by NVD

Sources

References from the CNA

github.com/bagisto/bagisto/commit/204e43c26705b66ef2ddfb2a9eebb25f5e8f6a2c patch
github.com/bagisto/bagisto product
github.com/bagisto/bagisto/commit/e28db3e8c53a94a99cf153ac338466720acd9004 patch
github.com/bagisto/bagisto/blob/v2.4.4/packages/Webkul/Shop/src/Http/Controllers/Customer/Account/RMAController.php#L408 technical-description
github.com/bagisto/bagisto/releases/tag/v2.4.5 release-notes
www.vulncheck.com/advisories/bagisto-before-2.4.5-stored-xss-via-rma-conversation-attachment-upload third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.