XSS in S9y Serendipity
CVE-2017-8102
Stored XSS in Serendipity v2.1-rc1 allows an attacker to steal an admin's cookie and other information by composing a new entry as an editor user. This is related to lack of the serendipity_event_xsstrust plugin and a set_config error in that plugin.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- S9y Serendipity — versions 2.1
Weakness classification (CWE)
References
- seclists.org/fulldisclosure/2017/Apr/44 (Exploit, VDB Entry, Third Party Advisory)
- github.com/s9y/Serendipity/issues/456 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-8102?
- CVE-2017-8102 is a medium-severity vulnerability in S9y Serendipity, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-04-24.
- How severe is CVE-2017-8102?
- Medium severity. CVSS v3 base score is 5.4 out of 10.