CVE-2018-5212 — The Simple Download Monitor plugin before 3

The Simple Download Monitor plugin before 3.5.4 for WordPress has XSS via the sdm_upload_thumbnail (aka File Thumbnail) parameter in an edit action to wp-admin/post.php.

01What is this vulnerability?

The Simple Download Monitor plugin before 3.5.4 for WordPress has XSS via the sdm_upload_thumbnail (aka File Thumbnail) parameter in an edit action to wp-admin/post.php.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-01-04T18:00:00.000Z
• Last modified: 2024-08-05T05:26:47.253Z

09References

• github.com — https://github.com/d4wner/Vulnerabilities-Report/blob/master/simple-download-mon…
• github.com — https://github.com/Arsenal21/simple-download-monitor/issues/27
• wordpress.org — https://wordpress.org/support/topic/stored-xss-bug-at-the-latest-version-of-simp…
• github.com — https://github.com/Arsenal21/simple-download-monitor/commit/8ab8b9166bc87feba26a…