CVE-2018-12104 json
Airbnb Knowledge Repo XSS In Comments
published 2018-06-17 8 y ago modified 2026-06-17 4 mo ago also GHSA-xmw7-848p-p95w , PYSEC-2018-116 , EUVD-2018-0084
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in Airbnb Knowledge Repo 0.7.4 allows remote attackers to inject arbitrary web scripts or HTML via the post comments functionality, as demonstrated by the post/posts/new_report.kp URI.
Patch / fix
- pypi knowledge-repo 0.7.5, 0.9.0
- github.com/airbnb/knowledge-repo@f026ad2 commit
- github.com/airbnb/knowledge-repo#558 pull request
Exploit prediction
1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/airbnb/knowledge-repo/issues/431 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/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 |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | knowledge-repo | <0.9.0 <0.7.5 |
0.9.0 0.7.5 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/airbnb/knowledge-repo/pull/558
web
-
github.com
/airbnb/knowledge-repo/commit/f026ad2afea14e0ffc91f1aa0eaedcdc72c63167
web
-
github.com
/airbnb/knowledge-repo/issues/431
web, exploit, mitigation, third-party-advisory, report
-
securityfocus.com
/bid/104487
vdb-entry, third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2018-12104
advisory
-
github.com
/airbnb/knowledge-repo/issues/254
web
-
github.com
/airbnb/knowledge-repo
package
-
github.com
/pypa/advisory-database/tree/main/vulns/knowledge-repo/PYSEC-2018-116.yaml
web
-
pypi.org
/project/knowledge-repo
web, package
-
web.archive.org
/web/20200227121013/http://www.securityfocus.com/bid/104487
web
-
github.com
/advisories/GHSA-xmw7-848p-p95w
advisory
Sources
- CVE List CVE-2018-12104
- GitHub Advisory GHSA-xmw7-848p-p95w
- NVD CVE-2018-12104
- OSV PYSEC-2018-116
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.