XSS in 10up Safe Svg
CVE-2022-1091
The sanitisation step of the Safe SVG WordPress plugin before 1.9.10 can be bypassed by spoofing the content-type in the POST request to upload a file. Exploiting this vulnerability, an attacker will be able to perform the kinds of attacks that this plugin should prevent (mainly XSS, but depending on further use of uploaded SVG files potentially other XML attacks).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- 10up Safe Svg
- Safe Svg — versions 1.9.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/4d12533e-bdb7-411f-bcdf-4c5046db13f3 (Exploit, Third Party Advisory)
- github.com/10up/safe-svg/pull/28 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1091?
- CVE-2022-1091 is a medium-severity vulnerability in 10up Safe Svg, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-18.
- How severe is CVE-2022-1091?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2022-1091 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.