CVE-2018-10821 json
Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenticated users with the Admin ro…
published 2018-06-14 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-2890
- cvss
- 4.8
- 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 63%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenticated users with the Admin role to inject arbitrary web script or HTML via the search panel.
Patch / fix
Exploit prediction
1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/BlackCatDevelopment/BlackCatCMS/issues/384 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/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
References
-
github.com
/BlackCatDevelopment/BlackCatCMS/commit/a817755828cd0bfd4b87b0eb5cec59ffe57d3c3e
patch, third-party-advisory
-
github.com
/BlackCatDevelopment/BlackCatCMS/issues/384
exploit, third-party-advisory
Sources
- CVE List CVE-2018-10821
- NVD CVE-2018-10821
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