CVE-2021-25046 json
Modern Events Calendar Lite < 6.2.0 - Subscriber+ Category Add Leading to Stored XSS
published 2022-01-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11958
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
The Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subscriber user, may add a category whose parameters are incorrectly escaped in the admin panel, leading to stored XSS.
Patch / fix
- webnus modern_events_calendar_lite 6.2.0
Exploit prediction
0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/19c2f456-a41e-4755-912d-13683719bae6 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 |
Affected products
- Unknown Modern Events Calendar Lite
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/19c2f456-a41e-4755-912d-13683719bae6
exploit, third-party-advisory
Sources
- CVE List CVE-2021-25046
- NVD CVE-2021-25046
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