XSS in Apache Sling Servlets Post
CVE-2017-9802
The Javascript method Sling.evalString() in Apache Sling Servlets Post before 2.3.22 uses the javascript 'eval' function to parse input strings, which allows for XSS attacks by passing specially crafted input strings.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.037 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/100284 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/archive/1/541024/100/0/threaded (mailing-list)
- packetstormsecurity.com/files/143758/Apache-Sling-Servlets-Post-2.3.20-Cross-Si…
- lists.apache.org/thread.html/2f4b8333e44c6e7e0b00933bd4204ce64829952f60dbb6814f… (mailing-list)
- issues.apache.org/jira/browse/SLING-7041 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-9802?
- CVE-2017-9802 is a medium-severity vulnerability in Apache Sling Servlets Post, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-14.
- How severe is CVE-2017-9802?
- Medium severity. CVSS v3 base score is 6.1 out of 10.