CVE-2021-24488: Post Grid < 2.1.8 - Reflected Cross-Site Scripting (XSS)
Vulnerability summary
CVE-2021-24488 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in pickplugins post_grid. EPSS estimates a 11.24% chance of exploitation in the next 30 days, higher than 95.9% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 02-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
11.24%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
No change 0.00 pp
From 11.24% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundExploit Reference (wpscan.com)
Maturity: unknown
WordPress Plugin Post Grid 2.1.1 - Cross Site Scripting (XSS)
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Pickplugins1 product
- post_grid< 2.1.8
Unknown1 product
- post grid≥ 2.1.8, < 2.1.8
Wordpress1 product
- post-grid≤ 2.1.7 (fixed in 2.1.8)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/1fc0aace-ba85-4939-9007-d150960add4aX Refsource MISCExploitThird Party Advisory