CVE-2023-1780 json
Companion Sitemap Generator < 4.5.3 - Reflected XSS
published 2023-07-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23987
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
Patch / fix
- Unknown Companion Sitemap Generator 4.5.3
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.00% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Companion Sitemap Generator < 4.5.3 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/8176308f-f210-4109-9c88-9372415dbed3 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown Companion Sitemap Generator
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/8176308f-f210-4109-9c88-9372415dbed3
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-1780
- NVD CVE-2023-1780
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.