What is CVE-2024-22414?

flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/ ` page allows a user's comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: ` {{comment[2]|safe}} `. Use of the "safe" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation.

How severe is CVE-2024-22414?

CVE-2024-22414 has a CVSS 3.x base score of 6.5, 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 low.

Is CVE-2024-22414 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22414?

CVE-2024-22414 affects Dogukanurker Flaskblog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-22414?

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

Does CVE-2024-22414 have an EU (EUVD) identifier?

Yes. CVE-2024-22414 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19966.

When was CVE-2024-22414 published?

CVE-2024-22414 was published on 2024-01-17 and last updated on 2026-06-17.

CVE-2024-22414

CVE-2024-22414 is a medium-severity vulnerability in Dogukanurker Flaskblog with a CVSS 3.x base score of 6.5. 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 6.5)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19966
Weakness: CWE-79
Affected product: Dogukanurker Flaskblog
Published: 2024-01-17
Last modified: 2026-06-17

Description

flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/<user>` page allows a user's comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: `<div class="content" tag="content">{{comment[2]|safe}}</div>`. Use of the "safe" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation.

Frequently asked questions

What is CVE-2024-22414?: flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/<user>` page allows a user's comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: `<div class="content" tag="content">{{comment[2]|safe}}</div>`. Use of the "safe" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation.
How severe is CVE-2024-22414?: CVE-2024-22414 has a CVSS 3.x base score of 6.5, 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 low.
Is CVE-2024-22414 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22414?: CVE-2024-22414 affects Dogukanurker Flaskblog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-22414?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-22414 have an EU (EUVD) identifier?: Yes. CVE-2024-22414 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19966.
When was CVE-2024-22414 published?: CVE-2024-22414 was published on 2024-01-17 and last updated on 2026-06-17.

References

https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6

Affected products (1)

cpe:2.3:a:dogukanurker:flaskblog:*:*:*:*:*:*:*:*

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