CVE-2022-1009: unknown smush – lazy load images, optimize & compress images Cross-site Scripting
Vulnerability summary
CVE-2022-1009 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in unknown smush – lazy load images, optimize & compress images. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 30-05-2022PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
The Smush WordPress plugin before 3.9.9 does not sanitise and escape a configuration parameter before outputting it back in an admin page when uploading a malicious preset configuration, leading to a Reflected Cross-Site Scripting. For the attack to be successful, an attacker would need an admin to upload a malicious configuration file
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource4.4MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
+0.01 pp
From 0.79% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- smush – lazy load images, optimize & compress images≥ 3.9.9, < 3.9.9
Wordpress1 product
- wp-smushit≤ 3.9.8 (fixed in 3.9.9)
Wpmudev1 product
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/bb5af08f-bb19-46a1-a7ac-8381f428c11eX Refsource MISCExploitThird Party Advisory