How severe is CVE-2021-3841?

CVE-2021-3841 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-3841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3841?

CVE-2021-3841 affects Sylius. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3841?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2021-3841 have an EU (EUVD) identifier?

Yes. CVE-2021-3841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3263.

When was CVE-2021-3841 published?

CVE-2021-3841 was published on 2024-11-15 and last updated on 2026-06-17.

CVE-2021-3841

CVE-2021-3841 is a medium-severity vulnerability in Sylius with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3263
Weakness: CWE-79
Affected product: Sylius
Published: 2024-11-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-3841?: 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.
How severe is CVE-2021-3841?: CVE-2021-3841 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-3841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3841?: CVE-2021-3841 affects Sylius. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3841?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-3841 have an EU (EUVD) identifier?: Yes. CVE-2021-3841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3263.
When was CVE-2021-3841 published?: CVE-2021-3841 was published on 2024-11-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sylius:sylius:*:*:*:*:*:*:*:*

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