How severe is CVE-2021-36787?

CVE-2021-36787 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-2021-36787 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36787?

CVE-2021-36787 affects In2code Femanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36787?

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

When was CVE-2021-36787 published?

CVE-2021-36787 was published on 2021-08-13 and last updated on 2026-06-17.

CVE-2021-36787

CVE-2021-36787 is a medium-severity vulnerability in In2code Femanager 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: In2code Femanager
Published: 2021-08-13
Last modified: 2026-06-17

Description

The femanager extension before 5.5.1 and 6.x before 6.3.1 for TYPO3 allows XSS via a crafted SVG document.

Frequently asked questions

What is CVE-2021-36787?: The femanager extension before 5.5.1 and 6.x before 6.3.1 for TYPO3 allows XSS via a crafted SVG document.
How severe is CVE-2021-36787?: CVE-2021-36787 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-2021-36787 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36787?: CVE-2021-36787 affects In2code Femanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36787?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36787 published?: CVE-2021-36787 was published on 2021-08-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:in2code:femanager:*:*:*:*:*:typo3:*:*

More vulnerabilities in In2code Femanager

CVE-2023-25014 — High (CVSS 8.6): An issue was discovered in the femanager extension before 5.5.3, 6.x before 6.3.4, and 7.x before 7.1.0 for TYPO3.…
CVE-2023-25013 — High (CVSS 8.6): An issue was discovered in the femanager extension before 5.5.3, 6.x before 6.3.4, and 7.x before 7.1.0 for TYPO3.…
CVE-2014-6292 — Medium (CVSS 6.4): The femanager extension before 1.0.9 for TYPO3 allows remote frontend users to modify or delete the records of other…
CVE-2022-44543 — Medium (CVSS 5.3): The femanager extension before 5.5.2, 6.x before 6.3.3, and 7.x before 7.0.1 for TYPO3 allows creation of frontend…

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