CVE-2022-4667: themeisle rss_aggregator_by_feedzy Cross-site Scripting
Vulnerability summary
CVE-2022-4667 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in themeisle rss_aggregator_by_feedzy. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.1% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 30-01-2023PublishedVulnerability first disclosed.
- 27-03-2025Last modifiedVulnerability information updated.
Description
The RSS Aggregator by Feedzy WordPress plugin before 4.1.1 does not validate and escape some of its block options before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 20-09-2026
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
Themeisle1 product
- rss_aggregator_by_feedzy< 4.1.1
Unknown1 product
- rss aggregator by feedzy< 4.1.1
Wordpress1 product
- feedzy-rss-feeds≤ 4.1.0 (fixed in 4.1.1)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/a388232b-a399-46a5-83e6-20c1b5df351dExploitVDB EntryTechnical DescriptionThird Party Advisory