THREATPORT/VULNERABILITY/CVE-2021-24488
MEDIUM SEVERITY

CVE-2021-24488

Post Grid vulnerability

CVSS
6.1
EPSS
11.2%
EPSS pct
96th
Exploited
No known
The slider import search feature and tab parameter of the Post Grid WordPress plugin before 2.1.8 settings are not properly sanitised before being output back in the pages, leading to Reflected Cross-Site Scripting issues
Affected vendor
Pickplugins
Affected product
Post Grid
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness type (CWE)
  • CWE-79 — Cross-Site Scripting (XSS)
Published
2021-08-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 11.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2021-24488

  • Confirm whether Pickplugins Post Grid is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-24488.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-24488

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-24488 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2021-24488?

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