CVE-2023-39308: WordPress User Feedback Plugin <= 1.0.7 is vulnerable to Cross Site Scripting (XSS)
Analyzed
Published 29-09-2023Last modified 28-04-2026
Vulnerability summary
CVE-2023-39308 is a high (CVSS 7.2) Cross-site Scripting vulnerability in monsterinsights userfeedback. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.7% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 1.0.8.
CVSS score
7.2/10
010
High · v3.1 (wordfence)EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference
Timeline
- 29-09-2023PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Unauth. Stored Cross-Site Scripting (XSS) vulnerability in UserFeedback Team User Feedback plugin <= 1.0.7 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.2Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NSources3 sources · 6.1–7.2
- CVE.orgCNA7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LDiffers
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.55% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (revan-ar.medium.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Monsterinsights1 product
- userfeedback≤ 1.0.7
Userfeedback team1 product
- user feedback≥ n/a, ≤ 1.0.7
Wordpress1 product
- userfeedback-lite≤ 1.0.7 (fixed in 1.0.8)
3 vendors · 3 products
References
3 links- revan-ar.medium.com/cve-2023-39308-wordpress-plugin-user-feedback-1-0-7-unauthenticated-stored-xss-db992a01686aTechnical DescriptionExploitThird Party Advisory