CVE-2021-36880: stylemixthemes ulisting SQL Injection
CVSS: 9.8v3.1CriticalModified
Published 27-09-2021Last modified 28-04-2026
Vulnerability summary
CVE-2021-36880 is a critical (CVSS 9.8) SQL Injection vulnerability in stylemixthemes ulisting. EPSS estimates a 2.10% chance of exploitation in the next 30 days, higher than 81.4% of scored vulnerabilities. Fixed in 2.0.4.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.10%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-09-2021PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Unauthenticated SQL Injection (SQLi) vulnerability in WordPress uListing plugin (versions <= 2.0.3), vulnerable parameter: custom.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 8.6–9.8
- CVE.orgCNA8.6HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:LDiffers
- wordfenceSource9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.10%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.10% on 20-09-2026
20-09-202620-10-2026
EPSS score2.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Stylemixthemes2 products
- ulisting≤ 2.0.3
- ulisting (wordpress plugin)≥ <= 2.0.3, ≤ 2.0.3
Wordpress1 product
- ulisting≤ 2.0.3 (fixed in 2.0.4)
2 vendors · 3 products