How severe is CVE-2021-35358?

CVE-2021-35358 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-35358 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-2021-35358?

CVE-2021-35358 affects Dotcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35358?

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

When was CVE-2021-35358 published?

CVE-2021-35358 was published on 2021-07-09 and last updated on 2026-06-17.

CVE-2021-35358

CVE-2021-35358 is a medium-severity vulnerability in Dotcms with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dotcms
Published: 2021-07-09
Last modified: 2026-06-17

Description

A stored cross site scripting (XSS) vulnerability in dotAdmin/#/c/c_Images of dotCMS 21.05.1 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the 'Title' and 'Filename' parameters.

Frequently asked questions

What is CVE-2021-35358?: A stored cross site scripting (XSS) vulnerability in dotAdmin/#/c/c_Images of dotCMS 21.05.1 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the 'Title' and 'Filename' parameters.
How severe is CVE-2021-35358?: CVE-2021-35358 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-35358 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-2021-35358?: CVE-2021-35358 affects Dotcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35358 published?: CVE-2021-35358 was published on 2021-07-09 and last updated on 2026-06-17.

References

https://github.com/dotCMS/core/issues/20540

Affected products (1)

cpe:2.3:a:dotcms:dotcms:21.05.1:*:*:*:*:*:*:*

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