CVE-2021-25039 json
Multisite Content Copier/Updater < 2.1.0 - Reflected Cross-Site Scripting
published 2022-03-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11951
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.0 does not sanitise and escape the wmcc_content_type, wmcc_source_blog and wmcc_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues
Patch / fix
- obtaininfotech multisite_content_copier/updater 2.1.0
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/c92eb2bf-0a5d-40b9-b0be-1820e7b9bebb 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 |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Unknown WordPress Multisite Content Copier/Updater
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/c92eb2bf-0a5d-40b9-b0be-1820e7b9bebb
exploit, third-party-advisory
Sources
- CVE List CVE-2021-25039
- NVD CVE-2021-25039
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.