CVE-2020-36173: ninjaforms ninja_forms Improper Encoding or Escaping of Output
CVSS: 6.5v3.1MediumModified
Published 06-01-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-36173 is a medium (CVSS 6.5) Improper Encoding or Escaping of Output vulnerability in ninjaforms ninja_forms. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 65.8% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (wordfence)EPSS score
1.13%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
The Ninja Forms plugin before 3.4.28 for WordPress lacks escaping for submissions-table fields.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NSources2 sources · 5.3–6.5
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.13%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.01 pp
From 1.12% on 18-09-2026
18-09-202618-10-2026
EPSS score1.13%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-116Improper Encoding or Escaping of OutputThe product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Ninjaforms1 product
- ninja_forms< 3.4.28
Wordpress1 product
- ninja-forms≤ 3.4.27.1 (fixed in 3.4.28)
2 vendors · 2 products