CVE-2021-3124 json
Stored cross-site scripting (XSS) in form field in robust.systems product Custom Global Variables v 1.0.5 allows a remote attacker to injec…
published 5y ago modified 4mo ago also EUVD-2021-26474
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
Stored cross-site scripting (XSS) in form field in robust.systems product Custom Global Variables v 1.0.5 allows a remote attacker to inject arbitrary code via the vars[0][name] field.
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Check with FencerExploit prediction
0.90% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/49406 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
exploit-db.com
/exploits/49406
exploit, third-party-advisory, vdb-entry
-
db.threatpress.com
/vulnerability/custom-global-variables/wordpress-custom-global-variables-plugin-1-0-5-stored-cross-site-script
third-party-advisory
Sources
- CVE List CVE-2021-3124
- NVD CVE-2021-3124
Fencer Intel 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.