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CVE-2021-3841

Stored Cross-site Scripting (XSS) in sylius/sylius

MEDIUM
5.4
CVSS Score
Published: November 15, 2024 at 10:52 AM UTC
Updated: June 17, 2026 at 04:05 AM UTC
1 product affected across 1 vendorSylius

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

sylius/sylius versions prior to 1.9.10, 1.10.11, and 1.11.2 are vulnerable to stored cross-site scripting (XSS) through SVG files. This vulnerability allows attackers to inject malicious scripts that can be executed in the context of the user's browser.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sylius· Syliuscomposer
95%
v < 1.9.10v < 1.9.10, 1.10.11, 1.11.21.10.0 ≤ v < 1.10.111.11.0 ≤ v < 1.11.2
Affected range stops below 1.10.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.9.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.9.10, 1.10.11, 1.11.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: [email protected]
https://github.com/sylius/sylius/commit/3da169e0c23e752974d74223cc536c29a2a82edc
Broken Link
Source: [email protected]
https://huntr.com/bounties/1625506791178-Sylius/Sylius

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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