How severe is CVE-2024-28191?

CVE-2024-28191 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-28191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-28191?

CVE-2024-28191 affects Contao. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-28191?

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

Does CVE-2024-28191 have an EU (EUVD) identifier?

Yes. CVE-2024-28191 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1135.

When was CVE-2024-28191 published?

CVE-2024-28191 was published on 2024-04-09 and last updated on 2026-06-17.

CVE-2024-28191

CVE-2024-28191 is a low-severity vulnerability in Contao with a CVSS 3.x base score of 3.1. 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-74.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1135
Weakness: CWE-74
Affected product: Contao
Published: 2024-04-09
Last modified: 2026-06-17

Description

Contao is an open source content management system. Starting in version 4.0.0 and prior to version 4.13.40 and 5.3.4, it is possible to inject insert tags in frontend forms if the output is structured in a very specific way. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, do not output user data from frontend forms next to each other, always separate them by at least one character.

Frequently asked questions

What is CVE-2024-28191?: Contao is an open source content management system. Starting in version 4.0.0 and prior to version 4.13.40 and 5.3.4, it is possible to inject insert tags in frontend forms if the output is structured in a very specific way. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, do not output user data from frontend forms next to each other, always separate them by at least one character.
How severe is CVE-2024-28191?: CVE-2024-28191 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-28191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-28191?: CVE-2024-28191 affects Contao. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-28191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-28191 have an EU (EUVD) identifier?: Yes. CVE-2024-28191 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1135.
When was CVE-2024-28191 published?: CVE-2024-28191 was published on 2024-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*

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