How severe is CVE-2024-29686?

CVE-2024-29686 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-29686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-29686?

CVE-2024-29686 affects Wintercms Winter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-29686?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-29686 have an EU (EUVD) identifier?

Yes. CVE-2024-29686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0880.

When was CVE-2024-29686 published?

CVE-2024-29686 was published on 2024-03-29 and last updated on 2026-06-17.

CVE-2024-29686

CVE-2024-29686 is a high-severity vulnerability in Wintercms Winter with a CVSS 3.x base score of 7.2. 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-97.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0880
Weakness: CWE-97
Affected product: Wintercms Winter
Published: 2024-03-29
Last modified: 2026-06-17

Description

Server-side Template Injection (SSTI) vulnerability in Winter CMS v.1.2.3 allows a remote attacker to execute arbitrary code via a crafted payload to the CMS Pages field and Plugin components. NOTE: the vendor disputes this because the payload could only be entered by a trusted user, such as the owner of the server that hosts Winter CMS, or a developer working for them.

Frequently asked questions

What is CVE-2024-29686?: Server-side Template Injection (SSTI) vulnerability in Winter CMS v.1.2.3 allows a remote attacker to execute arbitrary code via a crafted payload to the CMS Pages field and Plugin components. NOTE: the vendor disputes this because the payload could only be entered by a trusted user, such as the owner of the server that hosts Winter CMS, or a developer working for them.
How severe is CVE-2024-29686?: CVE-2024-29686 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-29686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-29686?: CVE-2024-29686 affects Wintercms Winter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-29686?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-29686 have an EU (EUVD) identifier?: Yes. CVE-2024-29686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0880.
When was CVE-2024-29686 published?: CVE-2024-29686 was published on 2024-03-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wintercms:winter:1.2.3:*:*:*:*:*:*:*

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