WordPress Contest Gallery Plugin <= 21.1.2 is vulnerable to Cross Site Scripting (XSS)
Priority LOW 31CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Contest Gallery plugin <= 21.1.2 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00382 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| Wasiliy Strecker / ContestGallery developer | Contest Gallery | up to 21.1.2 | — | No fix listed | CNA |
- Contest Gallery VendorWasiliy Strecker / ContestGallery developer Affected up to 21.1.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:contest-gallery:contest_gallery:*:*:*:*:*:wordpress:*:* | up to 21.1.2 | Vulnerable | Wasiliy Strecker / ContestGallery developer |
- cpe:2.3:a:contest-gallery:contest_gallery:*:*:*:*:*:wordpress:*:* Versions up to 21.1.2 Vulnerable ·Wasiliy Strecker / ContestGallery developer
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28784
- 2026-10-03 Alias added: GHSA-p8x8-qh7x-66mh
References
More Wasiliy Strecker / ContestGallery developer Contest Gallery vulnerabilities
- TI-2022-03804 Contest Gallery < 19.1.5 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
- TI-2022-03802 Contest Gallery < 19.1.5.1 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
- TI-2024-26556 WordPress Contest Gallery plugin <= 23.1.2 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2022-03797 Contest Gallery < 19.1.5 - Admin+ SQL Injection CVSS 3.1MEDIUM 6.5
- TI-2022-03812 Contest Gallery < 19.1.5 - Author+ SQL Injection CVSS 3.1MEDIUM 6.5
- TI-2022-03811 Contest Gallery < 19.1.5 - Author+ SQL Injection CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-28784 · CVE Program
- CVE-2023-28784 · NVD
- FIRST EPSS
- GHSA-p8x8-qh7x-66mh · GitHub Advisory Database · CC BY 4.0
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