CVE-2020-27533

lowpriority · track · 33EPSS 0.036 · 89 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

3.56% (89th) EPSS

CVSS 3.5 · low

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

A Cross Site Scripting (XSS) issue was discovered in the search feature of DedeCMS v.5.8 that allows malicious users to inject code into web pages, and other users will be affected when viewing web pages.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15.1mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-48974DedeCMS v.5.8 - _keyword_ Cross-Site ScriptingPoC · exploit_db

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
dedecms dedecms= 5.8nvdUScpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-10-22modified 2026-06-17

related (53,090)

Related entries.

ID	severity	EPSS	exploitable	published
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Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network…
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Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVE-2025-68461US	medium6.1OT critical	27.4% (98th)	KEV	2025-12-18
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
CVE-2025-27915US	—OT critical	4.06% (91st)	KEV	2025-03-12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+53085 more

references (8)

External citations — patches, advisories, analysis.

https://github.com/dedetech/issues/issues/16 cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2020-27533 cnnvd
https://packetstormsecurity.com/files/159772/DedeCMS-5.8-Cross-Site-Scripting.html cnnvd
https://www.exploit-db.com/exploits/48974 cnnvd
http://packetstormsecurity.com/files/159772/DedeCMS-5.8-Cross-Site-Scripting.html enisa_euvd
https://github.com/dedetech/issues/issues/16 enisa_euvd
http://packetstormsecurity.com/files/159772/DedeCMS-5.8-Cross-Site-Scripting.htmlExploitThird Party AdvisoryVDB Entrynvd
https://github.com/dedetech/issues/issues/16ExploitIssue TrackingThird Party Advisorynvd

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