What is CVE-2024-1691?

CVE-2024-1691 is a medium-severity vulnerability in Themeisle Otter Blocks, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-03-13.

How severe is CVE-2024-1691?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2024-1691 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Themeisle Otter Blocks

CVE-2024-1691

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE PRO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via file upload form, which allows SVG uploads, in all versions up to, and including, 2.6.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Note that the patch in 2.6.4 allows SVG uploads but the uploaded SVG files are sanitized.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (37.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Release Notes)

Frequently asked questions

What is CVE-2024-1691?: CVE-2024-1691 is a medium-severity vulnerability in Themeisle Otter Blocks, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-03-13.
How severe is CVE-2024-1691?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2024-1691 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.