MaxSite CMS down_count Plugin cross site scripting
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.8epss 0.3%
exploitation probability
0.3%top 81% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A flaw has been found in MaxSite CMS up to 109.3. This vulnerability affects unknown code of the component down_count Plugin. This manipulation of the argument f_file/f_prefix causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. Upgrading to version 109.4 is able to resolve this issue. Patch name: 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7. The affected component should be upgraded. The vendor was informed early about this issue. They classify it as a "Self-XSS". They deployed a countermeasure: "Nevertheless, we consider this a violation of secure coding standards. The lack of filtering via `htmlspecialchars()` has already been fixed in the latest patch to prevent incorrect data display."
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
MaxSite · CMSpublic PoCs found — 1
cve_referencegithub.com/wnaspy/CVE/blob/main/Report-%20Stored%20XSS-in-down_count-plugin-maxsite-cms.pdf.pdfunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/maxsite/cms/https://github.com/maxsite/cms/commit/8a3946bd0a54bfb72a4d57179fcd253f2c550cd7https://github.com/maxsite/cms/releases/tag/v109https://github.com/wnaspy/CVE/blob/main/Report-%20Stored%20XSS-in-down_count-plugin-maxsite-cms.pdf.pdfhttps://vuldb.com/submit/796739https://vuldb.com/vuln/359594https://vuldb.com/vuln/359594/cti