Vulnerability Details : CVE-2020-13756
Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker.
Vulnerability category: Execute code
Products affected by CVE-2020-13756
- cpe:2.3:a:sabberworm:php_css_parser:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-13756
1.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-13756
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-13756
-
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-13756
-
http://seclists.org/fulldisclosure/2020/Jun/7
Full Disclosure: Sabberworm PHP CSS parser - Code injection vulnerabilityExploit;Mailing List;Third Party Advisory
-
https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4
Don’t use eval · sabberworm/PHP-CSS-Parser@2ebf59e · GitHubPatch;Third Party Advisory
-
http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html
Sabberworm PHP CSS Code Injection ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1
Release 8.3.1: Merge tag '8.2.1' into drop-eval · sabberworm/PHP-CSS-Parser · GitHubRelease Notes;Third Party Advisory
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