CVE-2015-6521 json
Multiple cross-site scripting (XSS) vulnerabilities in ATutor LMS version 2.2.
published 9y ago modified 4mo ago also EUVD-2015-6461
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
Multiple cross-site scripting (XSS) vulnerabilities in ATutor LMS version 2.2.
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Check with FencerExploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/atutor/ATutor/issues/103 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/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
References
-
github.com
/atutor/ATutor/issues/103
exploit, third-party-advisory
-
openwall.com
/lists/oss-security/2015/08/19/1
mailing-list, third-party-advisory
Sources
- CVE List CVE-2015-6521
- NVD CVE-2015-6521
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