WordPress security changelog
MEDIUM CVE-2023-5137 Modified

Simply Excerpts: A security weakness

Simply Excerpts is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 4.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 4.8 CVSS 3.1 · nvd@nist.gov
Component
Simply Excerpts
Plugin slug
simply-excerpts
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Dec 04, 2023
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Dec 04, 2023 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Simply Excerpts to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Simply Excerpts WordPress plugin through 1.4 does not sanitize and escape some fields in the plugin settings, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

NVD vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary and upstream sources