WordPress Sitemap Index Plugin <= 1.2.3 is vulnerable to Cross Site Scripting (XSS)
Priority LOW 27CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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
Auth. (admin+) Cross-Site Scripting (XSS) vulnerability in Twardes Sitemap Index plugin <= 1.2.3 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00397 34th 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 |
|---|---|---|---|---|---|
| Twardes | Sitemap Index | up to 1.2.3 | — | No fix listed | CNA |
- Sitemap Index VendorTwardes Affected up to 1.2.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sitemap_index_project:sitemap_index:*:*:*:*:*:wordpress:*:* | up to 1.2.3 | Vulnerable | Sitemap Index Project |
- cpe:2.3:a:sitemap_index_project:sitemap_index:*:*:*:*:*:wordpress:*:* Versions up to 1.2.3 Vulnerable ·Sitemap Index Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23816
- 2026-10-03 Alias added: GHSA-r5fc-xr2g-f58g
References
Sources
- CVE-2023-23816 · CVE Program
- CVE-2023-23816 · NVD
- FIRST EPSS
- GHSA-r5fc-xr2g-f58g · 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