CVE-2021-27693
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.07% probability · 65th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- publiccms/publiccms
- Source
- cve@mitre.org
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/sanluan/PublicCMS/commit/0f4c4872914b6a71305e121a7d9a19c07cde0338Patch, Third Party Advisory
- https://github.com/sanluan/PublicCMS/issues/51Exploit, Issue Tracking, Third Party Advisory
- https://github.com/sanluan/PublicCMS/commit/0f4c4872914b6a71305e121a7d9a19c07cde0338Patch, Third Party Advisory
- https://github.com/sanluan/PublicCMS/issues/51Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.