Easy Testimonials < 3.9.3 - Contributor+ Stored XSS
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Easy Testimonials WordPress plugin before 3.9.3 does not validate and escape some of its shortcode attributes 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Easy Testimonials | before 3.9.3 | 3.9.3 | Patch available | CNA |
- Easy Testimonials VendorUnknown Affected before 3.9.3 Fixed in 3.9.3 Patch available CNA
Remediation
- Fix · CNA Easy Testimonials (Unknown) Fixed in 3.9.3
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4577
- 2026-10-03 Alias added: GHSA-cwj4-5mgc-phhv
- 2026-10-16 EPSS moved to the 50th–90th percentile
References
More ghuger Easy Testimonials vulnerabilities
- TI-2018-13861 Stored XSS was discovered in the Easy Testimonials plugin 3.2 for WordPress. CVSS 3.0MEDIUM 6.1
- TI-2017-08924 The Easy Testimonials plugin 3.0.4 for WordPress has XSS in… CVSS 3.0MEDIUM 6.1
- TI-2024-02172 Easy Testimonials <= 3.9.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVSS 3.1MEDIUM 6.4
- TI-2020-11764 Multiple XSS vulnerabilities in the Easy Testimonials plugin before 3.6 for WordPress… CVSS 3.1MEDIUM 5.4
- TI-2020-18918 Easy Testimonials <= 3.6.1 - Cross-Site Request Forgery Bypass CVSS 3.1MEDIUM 4.3
Sources
- CVE-2022-4577 · CVE Program
- CVE-2022-4577 · NVD
- FIRST EPSS
- GHSA-cwj4-5mgc-phhv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences