How severe is CVE-2026-33193?

CVE-2026-33193 has a CVSS 3.x base score of 4.6, 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-2026-33193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33193?

CVE-2026-33193 affects Docmost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33193?

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

Does CVE-2026-33193 have an EU (EUVD) identifier?

Yes. CVE-2026-33193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22752.

When was CVE-2026-33193 published?

CVE-2026-33193 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-33193

CVE-2026-33193 is a medium-severity vulnerability in Docmost with a CVSS 3.x base score of 4.6. 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 4.6)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22752
Weakness: CWE-79
Affected product: Docmost
Published: 2026-04-14
Last modified: 2026-06-17

Description

Docmost is open-source collaborative wiki and documentation software. Versions prior to 0.70.0 are vulnerable to a stored cross-site scripting (XSS) attack due to improper handling of MIME type spoofing (GHSL-2026-052). An attacker could exploit this flaw to inject malicious scripts, potentially compromising the security of users and data. Version 0.70.0 contains a patch.

Frequently asked questions

What is CVE-2026-33193?: Docmost is open-source collaborative wiki and documentation software. Versions prior to 0.70.0 are vulnerable to a stored cross-site scripting (XSS) attack due to improper handling of MIME type spoofing (GHSL-2026-052). An attacker could exploit this flaw to inject malicious scripts, potentially compromising the security of users and data. Version 0.70.0 contains a patch.
How severe is CVE-2026-33193?: CVE-2026-33193 has a CVSS 3.x base score of 4.6, 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-2026-33193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33193?: CVE-2026-33193 affects Docmost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33193?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33193 have an EU (EUVD) identifier?: Yes. CVE-2026-33193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22752.
When was CVE-2026-33193 published?: CVE-2026-33193 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://github.com/docmost/docmost/security/advisories/GHSA-7cq4-577p-wp6p

Affected products (1)

cpe:2.3:a:docmost:docmost:*:*:*:*:*:*:*:*

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