CVE-2017-20248

8.7 highEPSS 0.6%

High (8.7). EPSS 0.6% chance of exploitation in the next 30 days.

Apptha Slider Gallery 1.0 contains a path traversal vulnerability that allows unauthenticated attackers to download arbitrary files by manipulating the imgname parameter. Attackers can send requests to asgallDownload.php with directory traversal sequences ../ to access sensitive files outside the intended directory.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2026-06-09
Modified: 2026-07-21
Record from: the NVD, synced 2026-10-19

References

https://www.apptha.com/
https://www.exploit-db.com/exploits/41568
https://www.vulncheck.com/advisories/wordpress-plugin-apptha-slider-gallery-path-traversal-file-download

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