XSS in Metaslider Slider\, Gallery\, And Carousel
CVE-2022-2823
The Slider, Gallery, and Carousel by MetaSlider WordPress plugin before 3.27.9 does not sanitise and escape some of its Gallery Image parameters, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Metaslider Slider\, Gallery\, And Carousel
- Slider, Gallery, And Carousel By Metaslider – Responsive WordPress Plugin — versions 3.27.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/c88c85b3-2830-4354-99fd-af6bce6bb4ef (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2823?
- CVE-2022-2823 is a medium-severity vulnerability in Metaslider Slider\, Gallery\, And Carousel, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-10-10.
- How severe is CVE-2022-2823?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2022-2823 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.