How severe is CVE-2021-33295?

CVE-2021-33295 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-2021-33295 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33295?

CVE-2021-33295 affects Joplin Project Joplin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33295?

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

When was CVE-2021-33295 published?

CVE-2021-33295 was published on 2022-06-16 and last updated on 2026-06-17.

CVE-2021-33295

CVE-2021-33295 is a medium-severity vulnerability in Joplin Project Joplin 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% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Joplin Project Joplin
Published: 2022-06-16
Last modified: 2026-06-17

Description

Cross Site Scripting (XSS) vulnerability in Joplin Desktop App before 1.8.5 allows attackers to execute aribrary code due to improper sanitizing of html.

Frequently asked questions

What is CVE-2021-33295?: Cross Site Scripting (XSS) vulnerability in Joplin Desktop App before 1.8.5 allows attackers to execute aribrary code due to improper sanitizing of html.
How severe is CVE-2021-33295?: CVE-2021-33295 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-2021-33295 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33295?: CVE-2021-33295 affects Joplin Project Joplin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33295?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33295 published?: CVE-2021-33295 was published on 2022-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:joplin_project:joplin:*:*:*:*:*:-:*:*

More vulnerabilities in Joplin Project Joplin

CVE-2022-23340 — Critical (CVSS 9.8): Joplin 2.6.10 allows remote attackers to execute system commands through malicious code in user search results.
CVE-2024-40643 — Critical (CVSS 9.6): Joplin is a free, open source note taking and to-do application. Joplin fails to take into account that "<" followed by…
CVE-2023-45673 — High (CVSS 8.9): Joplin is a free, open source note taking and to-do application. A remote code execution (RCE) vulnerability in…
CVE-2025-27134 — High (CVSS 8.8): Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised…
CVE-2023-39517 — High (CVSS 8.2): Joplin is a free, open source note taking and to-do application. A Cross site scripting (XSS) vulnerability in affected…
CVE-2023-38506 — High (CVSS 8.2): Joplin is a free, open source note taking and to-do application. A Cross-site Scripting (XSS) vulnerability allows…

All CVEs affecting Joplin Project Joplin →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →